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Finding the Fourth Proportional to 169.93, 234.45 and 104.41

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Solution

The fourth proportional to 169.93, 234.45 and 104.41 is: 144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.93 : 234.45 = 104.41 : x
  2. Step 2: Convert to fraction form
    169.93/234.45 = 104.41/x
  3. Step 3: Cross multiply
    169.93x = 234.45 × 104.41
  4. Step 4: Simplify right side
    169.93x = 24,478.92
  5. Step 5: Solve for x
    x = 24,478.92/169.93
  6. Step 6: Final answer
    x = 144.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.