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Finding the Fourth Proportional to 304.43, 456.17 and 227.03

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Solution

The fourth proportional to 304.43, 456.17 and 227.03 is: 340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.43 : 456.17 = 227.03 : x
  2. Step 2: Convert to fraction form
    304.43/456.17 = 227.03/x
  3. Step 3: Cross multiply
    304.43x = 456.17 × 227.03
  4. Step 4: Simplify right side
    304.43x = 103,560.86
  5. Step 5: Solve for x
    x = 103,560.86/304.43
  6. Step 6: Final answer
    x = 340.19

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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.