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Finding the Fourth Proportional to 637.41, 956.12 and 576.66

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Solution

The fourth proportional to 637.41, 956.12 and 576.66 is: 864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.41 : 956.12 = 576.66 : x
  2. Step 2: Convert to fraction form
    637.41/956.12 = 576.66/x
  3. Step 3: Cross multiply
    637.41x = 956.12 × 576.66
  4. Step 4: Simplify right side
    637.41x = 551,353.28
  5. Step 5: Solve for x
    x = 551,353.28/637.41
  6. Step 6: Final answer
    x = 864.99

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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.