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Finding the Fourth Proportional to 249.64, 376.04 and 227.52

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Solution

The fourth proportional to 249.64, 376.04 and 227.52 is: 342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.64 : 376.04 = 227.52 : x
  2. Step 2: Convert to fraction form
    249.64/376.04 = 227.52/x
  3. Step 3: Cross multiply
    249.64x = 376.04 × 227.52
  4. Step 4: Simplify right side
    249.64x = 85,556.62
  5. Step 5: Solve for x
    x = 85,556.62/249.64
  6. Step 6: Final answer
    x = 342.72

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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.