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Finding the Fourth Proportional to 169.05, 252.98 and 104.03

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Solution

The fourth proportional to 169.05, 252.98 and 104.03 is: 155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.05 : 252.98 = 104.03 : x
  2. Step 2: Convert to fraction form
    169.05/252.98 = 104.03/x
  3. Step 3: Cross multiply
    169.05x = 252.98 × 104.03
  4. Step 4: Simplify right side
    169.05x = 26,317.06
  5. Step 5: Solve for x
    x = 26,317.06/169.05
  6. Step 6: Final answer
    x = 155.68

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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.