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Finding the Fourth Proportional to 532.01, 796.92 and 315.47

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Solution

The fourth proportional to 532.01, 796.92 and 315.47 is: 472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.01 : 796.92 = 315.47 : x
  2. Step 2: Convert to fraction form
    532.01/796.92 = 315.47/x
  3. Step 3: Cross multiply
    532.01x = 796.92 × 315.47
  4. Step 4: Simplify right side
    532.01x = 251,404.35
  5. Step 5: Solve for x
    x = 251,404.35/532.01
  6. Step 6: Final answer
    x = 472.56

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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.