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Finding the Fourth Proportional to 332.71, 458.90 and 214.72

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Solution

The fourth proportional to 332.71, 458.90 and 214.72 is: 296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.71 : 458.90 = 214.72 : x
  2. Step 2: Convert to fraction form
    332.71/458.90 = 214.72/x
  3. Step 3: Cross multiply
    332.71x = 458.90 × 214.72
  4. Step 4: Simplify right side
    332.71x = 98,535.01
  5. Step 5: Solve for x
    x = 98,535.01/332.71
  6. Step 6: Final answer
    x = 296.16

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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.