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Finding the Fourth Proportional to 332.38, 497.09 and 245.17

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Solution

The fourth proportional to 332.38, 497.09 and 245.17 is: 366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.38 : 497.09 = 245.17 : x
  2. Step 2: Convert to fraction form
    332.38/497.09 = 245.17/x
  3. Step 3: Cross multiply
    332.38x = 497.09 × 245.17
  4. Step 4: Simplify right side
    332.38x = 121,870.33
  5. Step 5: Solve for x
    x = 121,870.33/332.38
  6. Step 6: Final answer
    x = 366.66

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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.