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Finding the Fourth Proportional to 332.07, 458.13 and 207.72

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Solution

The fourth proportional to 332.07, 458.13 and 207.72 is: 286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.07 : 458.13 = 207.72 : x
  2. Step 2: Convert to fraction form
    332.07/458.13 = 207.72/x
  3. Step 3: Cross multiply
    332.07x = 458.13 × 207.72
  4. Step 4: Simplify right side
    332.07x = 95,162.76
  5. Step 5: Solve for x
    x = 95,162.76/332.07
  6. Step 6: Final answer
    x = 286.57

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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.