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Finding the Fourth Proportional to 458.27, 632.20 and 333.88

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Solution

The fourth proportional to 458.27, 632.20 and 333.88 is: 460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.27 : 632.20 = 333.88 : x
  2. Step 2: Convert to fraction form
    458.27/632.20 = 333.88/x
  3. Step 3: Cross multiply
    458.27x = 632.20 × 333.88
  4. Step 4: Simplify right side
    458.27x = 211,078.94
  5. Step 5: Solve for x
    x = 211,078.94/458.27
  6. Step 6: Final answer
    x = 460.60

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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.