Proportional

a.	1.	Having a due proportion, or comparative relation; being in suitable proportion or degree; as, the parts of an edifice are proportional.
	2.	Relating to, or securing, proportion.
	3.	(Math.) Constituting a proportion; having the same, or a constant, ratio; as, proportional quantities; momentum is proportional to quantity of matter. Proportional logarithms logistic logarithms. See under Logistic. Proportional scale a scale on which are marked parts proportional to the logarithms of the natural numbers; a logarithmic scale. Proportional (Draughting) instruments used in making copies of drawings, or drawings of objects, on an enlarged or reduced scale.
n.	1.	(Math.) Any number or quantity in a proportion; as, a mean proportional.
	2.	(Chem.) The combining weight or equivalent of an element.

Noun	1.	proportional - one of the quantities in a mathematical proportion
Adj.	1.	proportional - properly related in size or degree or other measurable characteristics; usually followed by `to'; "punishment oughtt to be proportional to the crime"; "earnings relative to production" Synonyms: relative
	2.	proportional - increasing as the amount taxed increases Synonyms: graduated

3-D, affinitive, analogical, analogous, appertaining, associative, balanced, commensurable, commensurate, comparable, comparative, compatible, congenial, connective, consistent, contingent, correlated, correlative, corresponding, cubic, dependent, dimensional, distributional, distributive, en rapport, equal, even stephen, fifty-fifty, flat, fourth-dimensional, half, half-and-half, halvers, harmonious, in accordance with, linking, particular, per capita, per head, pertaining, pertinent, pro rata, proportionable, proportionate, proportioned, prorated, reciprocal, referable, referring, related, relating, relational, relative, respective, several, space, space-time, spatial, spatiotemporal, spherical, stereoscopic, superficial, surface, symmetrical, sympathetic, three-dimensional, two-dimensional, volumetric