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Finding the Fourth Proportional to 227.30, 340.74 and 124.56

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Solution

The fourth proportional to 227.30, 340.74 and 124.56 is: 186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.30 : 340.74 = 124.56 : x
  2. Step 2: Convert to fraction form
    227.30/340.74 = 124.56/x
  3. Step 3: Cross multiply
    227.30x = 340.74 × 124.56
  4. Step 4: Simplify right side
    227.30x = 42,442.57
  5. Step 5: Solve for x
    x = 42,442.57/227.30
  6. Step 6: Final answer
    x = 186.73

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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.