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Finding the Fourth Proportional to 637.08, 879.01 and 375.11

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Solution

The fourth proportional to 637.08, 879.01 and 375.11 is: 517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.08 : 879.01 = 375.11 : x
  2. Step 2: Convert to fraction form
    637.08/879.01 = 375.11/x
  3. Step 3: Cross multiply
    637.08x = 879.01 × 375.11
  4. Step 4: Simplify right side
    637.08x = 329,725.44
  5. Step 5: Solve for x
    x = 329,725.44/637.08
  6. Step 6: Final answer
    x = 517.56

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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.