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Finding the Fourth Proportional to 637.87, 880.28 and 372.48

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Solution

The fourth proportional to 637.87, 880.28 and 372.48 is: 514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.87 : 880.28 = 372.48 : x
  2. Step 2: Convert to fraction form
    637.87/880.28 = 372.48/x
  3. Step 3: Cross multiply
    637.87x = 880.28 × 372.48
  4. Step 4: Simplify right side
    637.87x = 327,882.58
  5. Step 5: Solve for x
    x = 327,882.58/637.87
  6. Step 6: Final answer
    x = 514.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.