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Finding the Fourth Proportional to 185.13, 276.68 and 170.54

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Solution

The fourth proportional to 185.13, 276.68 and 170.54 is: 254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.13 : 276.68 = 170.54 : x
  2. Step 2: Convert to fraction form
    185.13/276.68 = 170.54/x
  3. Step 3: Cross multiply
    185.13x = 276.68 × 170.54
  4. Step 4: Simplify right side
    185.13x = 47,183.20
  5. Step 5: Solve for x
    x = 47,183.20/185.13
  6. Step 6: Final answer
    x = 254.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.