1.

Find the fourth proportional to: 7, 15 and 141). 502). 603). 1204). 30

Answer»

As we know that, Fourth proportional = (B × c)/a 

Where a,b and c are the 1st, 2nd and 3rd elements of proportion respectively

Formula = Fourth proportional = (b × c)/a

a = 7, b = 15 and c = 14

(14 × 15)/7

210/7 = 30



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