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Finding the Fourth Proportional to 16.88, 25.13 and 16.10

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Solution

The fourth proportional to 16.88, 25.13 and 16.10 is: 23.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.88 : 25.13 = 16.10 : x
  2. Step 2: Convert to fraction form
    16.88/25.13 = 16.10/x
  3. Step 3: Cross multiply
    16.88x = 25.13 × 16.10
  4. Step 4: Simplify right side
    16.88x = 404.59
  5. Step 5: Solve for x
    x = 404.59/16.88
  6. Step 6: Final answer
    x = 23.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.