Finding the Fourth Proportional to 372.99, 514.68 and 207.17
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Solution
The fourth proportional to 372.99, 514.68 and 207.17 is: 285.86
Step by Step Solution
- Step 1: Write the proportion equation
372.99 : 514.68 = 207.17 : x - Step 2: Convert to fraction form
372.99/514.68 = 207.17/x - Step 3: Cross multiply
372.99x = 514.68 × 207.17 - Step 4: Simplify right side
372.99x = 106,624.84 - Step 5: Solve for x
x = 106,624.84/372.99 - Step 6: Final answer
x = 285.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.