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Finding the Fourth Proportional to 276.92, 414.90 and 167.02

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Solution

The fourth proportional to 276.92, 414.90 and 167.02 is: 250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.92 : 414.90 = 167.02 : x
  2. Step 2: Convert to fraction form
    276.92/414.90 = 167.02/x
  3. Step 3: Cross multiply
    276.92x = 414.90 × 167.02
  4. Step 4: Simplify right side
    276.92x = 69,296.60
  5. Step 5: Solve for x
    x = 69,296.60/276.92
  6. Step 6: Final answer
    x = 250.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.