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Finding the Fourth Proportional to 617.38, 927.72 and 373.96

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Solution

The fourth proportional to 617.38, 927.72 and 373.96 is: 561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.38 : 927.72 = 373.96 : x
  2. Step 2: Convert to fraction form
    617.38/927.72 = 373.96/x
  3. Step 3: Cross multiply
    617.38x = 927.72 × 373.96
  4. Step 4: Simplify right side
    617.38x = 346,930.17
  5. Step 5: Solve for x
    x = 346,930.17/617.38
  6. Step 6: Final answer
    x = 561.94

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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.