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Finding the Fourth Proportional to 15.14, 22.69 and 10.62

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Solution

The fourth proportional to 15.14, 22.69 and 10.62 is: 15.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.14 : 22.69 = 10.62 : x
  2. Step 2: Convert to fraction form
    15.14/22.69 = 10.62/x
  3. Step 3: Cross multiply
    15.14x = 22.69 × 10.62
  4. Step 4: Simplify right side
    15.14x = 240.80
  5. Step 5: Solve for x
    x = 240.80/15.14
  6. Step 6: Final answer
    x = 15.91

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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.