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Finding the Fourth Proportional to 185.59, 279.50 and 169.51

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Solution

The fourth proportional to 185.59, 279.50 and 169.51 is: 255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.59 : 279.50 = 169.51 : x
  2. Step 2: Convert to fraction form
    185.59/279.50 = 169.51/x
  3. Step 3: Cross multiply
    185.59x = 279.50 × 169.51
  4. Step 4: Simplify right side
    185.59x = 47,378.05
  5. Step 5: Solve for x
    x = 47,378.05/185.59
  6. Step 6: Final answer
    x = 255.28

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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.