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Finding the Fourth Proportional to 616.14, 924.35 and 356.33

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Solution

The fourth proportional to 616.14, 924.35 and 356.33 is: 534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.14 : 924.35 = 356.33 : x
  2. Step 2: Convert to fraction form
    616.14/924.35 = 356.33/x
  3. Step 3: Cross multiply
    616.14x = 924.35 × 356.33
  4. Step 4: Simplify right side
    616.14x = 329,374.16
  5. Step 5: Solve for x
    x = 329,374.16/616.14
  6. Step 6: Final answer
    x = 534.58

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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.