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Finding the Fourth Proportional to 332.57, 458.81 and 227.49

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Solution

The fourth proportional to 332.57, 458.81 and 227.49 is: 313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.57 : 458.81 = 227.49 : x
  2. Step 2: Convert to fraction form
    332.57/458.81 = 227.49/x
  3. Step 3: Cross multiply
    332.57x = 458.81 × 227.49
  4. Step 4: Simplify right side
    332.57x = 104,376.54
  5. Step 5: Solve for x
    x = 104,376.54/332.57
  6. Step 6: Final answer
    x = 313.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.