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Finding the Fourth Proportional to 637.73, 957.94 and 616.97

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Solution

The fourth proportional to 637.73, 957.94 and 616.97 is: 926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.73 : 957.94 = 616.97 : x
  2. Step 2: Convert to fraction form
    637.73/957.94 = 616.97/x
  3. Step 3: Cross multiply
    637.73x = 957.94 × 616.97
  4. Step 4: Simplify right side
    637.73x = 591,013.91
  5. Step 5: Solve for x
    x = 591,013.91/637.73
  6. Step 6: Final answer
    x = 926.74

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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.