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Finding the Fourth Proportional to 616.28, 924.14 and 231.26

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Solution

The fourth proportional to 616.28, 924.14 and 231.26 is: 346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.28 : 924.14 = 231.26 : x
  2. Step 2: Convert to fraction form
    616.28/924.14 = 231.26/x
  3. Step 3: Cross multiply
    616.28x = 924.14 × 231.26
  4. Step 4: Simplify right side
    616.28x = 213,716.62
  5. Step 5: Solve for x
    x = 213,716.62/616.28
  6. Step 6: Final answer
    x = 346.78

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Double scale
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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.