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Finding the Fourth Proportional to 185.44, 279.13 and 169.03

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Solution

The fourth proportional to 185.44, 279.13 and 169.03 is: 254.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.44 : 279.13 = 169.03 : x
  2. Step 2: Convert to fraction form
    185.44/279.13 = 169.03/x
  3. Step 3: Cross multiply
    185.44x = 279.13 × 169.03
  4. Step 4: Simplify right side
    185.44x = 47,180.50
  5. Step 5: Solve for x
    x = 47,180.50/185.44
  6. Step 6: Final answer
    x = 254.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.