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Finding the Fourth Proportional to 616.44, 924.17 and 308.13

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Solution

The fourth proportional to 616.44, 924.17 and 308.13 is: 461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.44 : 924.17 = 308.13 : x
  2. Step 2: Convert to fraction form
    616.44/924.17 = 308.13/x
  3. Step 3: Cross multiply
    616.44x = 924.17 × 308.13
  4. Step 4: Simplify right side
    616.44x = 284,759.88
  5. Step 5: Solve for x
    x = 284,759.88/616.44
  6. Step 6: Final answer
    x = 461.94

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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.