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Finding the Fourth Proportional to 24.52, 36.60 and 22.80

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Solution

The fourth proportional to 24.52, 36.60 and 22.80 is: 34.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.52 : 36.60 = 22.80 : x
  2. Step 2: Convert to fraction form
    24.52/36.60 = 22.80/x
  3. Step 3: Cross multiply
    24.52x = 36.60 × 22.80
  4. Step 4: Simplify right side
    24.52x = 834.48
  5. Step 5: Solve for x
    x = 834.48/24.52
  6. Step 6: Final answer
    x = 34.03

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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.