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Finding the Fourth Proportional to 169.99, 234.48 and 104.44

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Solution

The fourth proportional to 169.99, 234.48 and 104.44 is: 144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.99 : 234.48 = 104.44 : x
  2. Step 2: Convert to fraction form
    169.99/234.48 = 104.44/x
  3. Step 3: Cross multiply
    169.99x = 234.48 × 104.44
  4. Step 4: Simplify right side
    169.99x = 24,489.09
  5. Step 5: Solve for x
    x = 24,489.09/169.99
  6. Step 6: Final answer
    x = 144.06

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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.