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Finding the Fourth Proportional to 16.29, 24.33 and 14.57

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Solution

The fourth proportional to 16.29, 24.33 and 14.57 is: 21.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.29 : 24.33 = 14.57 : x
  2. Step 2: Convert to fraction form
    16.29/24.33 = 14.57/x
  3. Step 3: Cross multiply
    16.29x = 24.33 × 14.57
  4. Step 4: Simplify right side
    16.29x = 354.40
  5. Step 5: Solve for x
    x = 354.40/16.29
  6. Step 6: Final answer
    x = 21.75

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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.