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Finding the Fourth Proportional to 617.12, 925.62 and 246.90

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Solution

The fourth proportional to 617.12, 925.62 and 246.90 is: 370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.12 : 925.62 = 246.90 : x
  2. Step 2: Convert to fraction form
    617.12/925.62 = 246.90/x
  3. Step 3: Cross multiply
    617.12x = 925.62 × 246.90
  4. Step 4: Simplify right side
    617.12x = 228,535.58
  5. Step 5: Solve for x
    x = 228,535.58/617.12
  6. Step 6: Final answer
    x = 370.33

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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.