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Finding the Fourth Proportional to 38.27, 57.33 and 29.26

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Solution

The fourth proportional to 38.27, 57.33 and 29.26 is: 43.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.27 : 57.33 = 29.26 : x
  2. Step 2: Convert to fraction form
    38.27/57.33 = 29.26/x
  3. Step 3: Cross multiply
    38.27x = 57.33 × 29.26
  4. Step 4: Simplify right side
    38.27x = 1,677.48
  5. Step 5: Solve for x
    x = 1,677.48/38.27
  6. Step 6: Final answer
    x = 43.83

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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.