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Finding the Fourth Proportional to 732.49, 1,098.92 and 516.49

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Solution

The fourth proportional to 732.49, 1,098.92 and 516.49 is: 774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.49 : 1,098.92 = 516.49 : x
  2. Step 2: Convert to fraction form
    732.49/1,098.92 = 516.49/x
  3. Step 3: Cross multiply
    732.49x = 1,098.92 × 516.49
  4. Step 4: Simplify right side
    732.49x = 567,575.86
  5. Step 5: Solve for x
    x = 567,575.86/732.49
  6. Step 6: Final answer
    x = 774.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.