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Finding the Fourth Proportional to 44.10, 60.90 and 29.38

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Solution

The fourth proportional to 44.10, 60.90 and 29.38 is: 40.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.10 : 60.90 = 29.38 : x
  2. Step 2: Convert to fraction form
    44.10/60.90 = 29.38/x
  3. Step 3: Cross multiply
    44.10x = 60.90 × 29.38
  4. Step 4: Simplify right side
    44.10x = 1,789.24
  5. Step 5: Solve for x
    x = 1,789.24/44.10
  6. Step 6: Final answer
    x = 40.57

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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.