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Finding the Fourth Proportional to 616.36, 924.08 and 372.82

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Solution

The fourth proportional to 616.36, 924.08 and 372.82 is: 558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.36 : 924.08 = 372.82 : x
  2. Step 2: Convert to fraction form
    616.36/924.08 = 372.82/x
  3. Step 3: Cross multiply
    616.36x = 924.08 × 372.82
  4. Step 4: Simplify right side
    616.36x = 344,513.64
  5. Step 5: Solve for x
    x = 344,513.64/616.36
  6. Step 6: Final answer
    x = 558.95

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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.