Proportional scale

a scale on which are marked parts proportional to the logarithms of the natural numbers; a logarithmic scale.

See also: Proportional

References in periodicals archive ?
The patterns for Princess Elizabeth and Prince Edward are the most adult-like, and even though the patterns are for children ten years old, I believe a patternmaker could use a proportional scale to size them to fit a mature body.
Waist circumference's predecessor, waist-to-hip ratio (WHR), works like BMI, on a proportional scale, but with the added value of scrutinizing midsection fat.
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