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Finding the Fourth Proportional to 617.97, 927.63 and 344.73

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Solution

The fourth proportional to 617.97, 927.63 and 344.73 is: 517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.97 : 927.63 = 344.73 : x
  2. Step 2: Convert to fraction form
    617.97/927.63 = 344.73/x
  3. Step 3: Cross multiply
    617.97x = 927.63 × 344.73
  4. Step 4: Simplify right side
    617.97x = 319,781.89
  5. Step 5: Solve for x
    x = 319,781.89/617.97
  6. Step 6: Final answer
    x = 517.47

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Double scale
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Similar ratio
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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.