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Finding the Fourth Proportional to 617.60, 925.60 and 252.19

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Solution

The fourth proportional to 617.60, 925.60 and 252.19 is: 377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.60 : 925.60 = 252.19 : x
  2. Step 2: Convert to fraction form
    617.60/925.60 = 252.19/x
  3. Step 3: Cross multiply
    617.60x = 925.60 × 252.19
  4. Step 4: Simplify right side
    617.60x = 233,426.17
  5. Step 5: Solve for x
    x = 233,426.17/617.60
  6. Step 6: Final answer
    x = 377.96

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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.