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Finding the Fourth Proportional to 16.62, 25.03 and 16.41

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Solution

The fourth proportional to 16.62, 25.03 and 16.41 is: 24.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.62 : 25.03 = 16.41 : x
  2. Step 2: Convert to fraction form
    16.62/25.03 = 16.41/x
  3. Step 3: Cross multiply
    16.62x = 25.03 × 16.41
  4. Step 4: Simplify right side
    16.62x = 410.74
  5. Step 5: Solve for x
    x = 410.74/16.62
  6. Step 6: Final answer
    x = 24.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.