Finding the Third Proportional to 355 and 424
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Solution
The third proportional to 355 and 424 is: 506.41
Step by Step Solution
- Step 1: Write the proportion equation
355 : 424 = 424 : x - Step 2: Convert to fraction form
355/424 = 424/x - Step 3: Cross multiply
355x = 424 × 424 - Step 4: Simplify right side
355x = 179,776 - Step 5: Solve for x
x = 179,776/355 - Step 6: Final answer
x = 506.41
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These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.