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Finding the Fourth Proportional to 24.67, 34.08 and 22.85

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Solution

The fourth proportional to 24.67, 34.08 and 22.85 is: 31.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.67 : 34.08 = 22.85 : x
  2. Step 2: Convert to fraction form
    24.67/34.08 = 22.85/x
  3. Step 3: Cross multiply
    24.67x = 34.08 × 22.85
  4. Step 4: Simplify right side
    24.67x = 778.56
  5. Step 5: Solve for x
    x = 778.56/24.67
  6. Step 6: Final answer
    x = 31.56

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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.