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Finding the Fourth Proportional to 169.22, 252.63 and 167.49

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Solution

The fourth proportional to 169.22, 252.63 and 167.49 is: 250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.22 : 252.63 = 167.49 : x
  2. Step 2: Convert to fraction form
    169.22/252.63 = 167.49/x
  3. Step 3: Cross multiply
    169.22x = 252.63 × 167.49
  4. Step 4: Simplify right side
    169.22x = 42,313.00
  5. Step 5: Solve for x
    x = 42,313.00/169.22
  6. Step 6: Final answer
    x = 250.04

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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.