Finding the Fourth Proportional to 372.97, 514.68 and 207.18
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Solution
The fourth proportional to 372.97, 514.68 and 207.18 is: 285.90
Step by Step Solution
- Step 1: Write the proportion equation
372.97 : 514.68 = 207.18 : x - Step 2: Convert to fraction form
372.97/514.68 = 207.18/x - Step 3: Cross multiply
372.97x = 514.68 × 207.18 - Step 4: Simplify right side
372.97x = 106,633.53 - Step 5: Solve for x
x = 106,633.53/372.97 - Step 6: Final answer
x = 285.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.