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Finding the Fourth Proportional to 22.75, 34.13 and 16.73

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Solution

The fourth proportional to 22.75, 34.13 and 16.73 is: 25.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.75 : 34.13 = 16.73 : x
  2. Step 2: Convert to fraction form
    22.75/34.13 = 16.73/x
  3. Step 3: Cross multiply
    22.75x = 34.13 × 16.73
  4. Step 4: Simplify right side
    22.75x = 570.99
  5. Step 5: Solve for x
    x = 570.99/22.75
  6. Step 6: Final answer
    x = 25.10

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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.