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Finding the Fourth Proportional to 169.44, 254.52 and 149.16

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Solution

The fourth proportional to 169.44, 254.52 and 149.16 is: 224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.44 : 254.52 = 149.16 : x
  2. Step 2: Convert to fraction form
    169.44/254.52 = 149.16/x
  3. Step 3: Cross multiply
    169.44x = 254.52 × 149.16
  4. Step 4: Simplify right side
    169.44x = 37,964.20
  5. Step 5: Solve for x
    x = 37,964.20/169.44
  6. Step 6: Final answer
    x = 224.06

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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.