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Finding the Fourth Proportional to 15.01, 22.51 and 8.92

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Solution

The fourth proportional to 15.01, 22.51 and 8.92 is: 13.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.01 : 22.51 = 8.92 : x
  2. Step 2: Convert to fraction form
    15.01/22.51 = 8.92/x
  3. Step 3: Cross multiply
    15.01x = 22.51 × 8.92
  4. Step 4: Simplify right side
    15.01x = 200.74
  5. Step 5: Solve for x
    x = 200.74/15.01
  6. Step 6: Final answer
    x = 13.37

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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.