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Finding the Fourth Proportional to 169.03, 251.39 and 165.57

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Solution

The fourth proportional to 169.03, 251.39 and 165.57 is: 246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.03 : 251.39 = 165.57 : x
  2. Step 2: Convert to fraction form
    169.03/251.39 = 165.57/x
  3. Step 3: Cross multiply
    169.03x = 251.39 × 165.57
  4. Step 4: Simplify right side
    169.03x = 41,622.64
  5. Step 5: Solve for x
    x = 41,622.64/169.03
  6. Step 6: Final answer
    x = 246.24

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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.