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Finding the Fourth Proportional to 16.52, 24.74 and 8.89

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Solution

The fourth proportional to 16.52, 24.74 and 8.89 is: 13.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.52 : 24.74 = 8.89 : x
  2. Step 2: Convert to fraction form
    16.52/24.74 = 8.89/x
  3. Step 3: Cross multiply
    16.52x = 24.74 × 8.89
  4. Step 4: Simplify right side
    16.52x = 219.77
  5. Step 5: Solve for x
    x = 219.77/16.52
  6. Step 6: Final answer
    x = 13.31

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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.