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Finding the Fourth Proportional to 16.53, 24.80 and 8.93

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Solution

The fourth proportional to 16.53, 24.80 and 8.93 is: 13.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.53 : 24.80 = 8.93 : x
  2. Step 2: Convert to fraction form
    16.53/24.80 = 8.93/x
  3. Step 3: Cross multiply
    16.53x = 24.80 × 8.93
  4. Step 4: Simplify right side
    16.53x = 221.30
  5. Step 5: Solve for x
    x = 221.30/16.53
  6. Step 6: Final answer
    x = 13.39

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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.