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Finding the Fourth Proportional to 637.17, 956.11 and 344.67

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Solution

The fourth proportional to 637.17, 956.11 and 344.67 is: 517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.17 : 956.11 = 344.67 : x
  2. Step 2: Convert to fraction form
    637.17/956.11 = 344.67/x
  3. Step 3: Cross multiply
    637.17x = 956.11 × 344.67
  4. Step 4: Simplify right side
    637.17x = 329,537.65
  5. Step 5: Solve for x
    x = 329,537.65/637.17
  6. Step 6: Final answer
    x = 517.19

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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.