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Finding the Fourth Proportional to 169.44, 252.62 and 159.11

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Solution

The fourth proportional to 169.44, 252.62 and 159.11 is: 237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.44 : 252.62 = 159.11 : x
  2. Step 2: Convert to fraction form
    169.44/252.62 = 159.11/x
  3. Step 3: Cross multiply
    169.44x = 252.62 × 159.11
  4. Step 4: Simplify right side
    169.44x = 40,194.37
  5. Step 5: Solve for x
    x = 40,194.37/169.44
  6. Step 6: Final answer
    x = 237.22

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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.