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Finding the Fourth Proportional to 616.17, 924.66 and 269.52

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Solution

The fourth proportional to 616.17, 924.66 and 269.52 is: 404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.17 : 924.66 = 269.52 : x
  2. Step 2: Convert to fraction form
    616.17/924.66 = 269.52/x
  3. Step 3: Cross multiply
    616.17x = 924.66 × 269.52
  4. Step 4: Simplify right side
    616.17x = 249,210.90
  5. Step 5: Solve for x
    x = 249,210.90/616.17
  6. Step 6: Final answer
    x = 404.45

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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.