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Finding the Fourth Proportional to 617.01, 847.01 and 529.53

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Solution

The fourth proportional to 617.01, 847.01 and 529.53 is: 726.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.01 : 847.01 = 529.53 : x
  2. Step 2: Convert to fraction form
    617.01/847.01 = 529.53/x
  3. Step 3: Cross multiply
    617.01x = 847.01 × 529.53
  4. Step 4: Simplify right side
    617.01x = 448,517.21
  5. Step 5: Solve for x
    x = 448,517.21/617.01
  6. Step 6: Final answer
    x = 726.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.