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Finding the Fourth Proportional to 227.26, 340.91 and 167.14

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Solution

The fourth proportional to 227.26, 340.91 and 167.14 is: 250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.26 : 340.91 = 167.14 : x
  2. Step 2: Convert to fraction form
    227.26/340.91 = 167.14/x
  3. Step 3: Cross multiply
    227.26x = 340.91 × 167.14
  4. Step 4: Simplify right side
    227.26x = 56,979.70
  5. Step 5: Solve for x
    x = 56,979.70/227.26
  6. Step 6: Final answer
    x = 250.72

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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.