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Finding the Fourth Proportional to 327.79, 494.82 and 325.97

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Solution

The fourth proportional to 327.79, 494.82 and 325.97 is: 492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.79 : 494.82 = 325.97 : x
  2. Step 2: Convert to fraction form
    327.79/494.82 = 325.97/x
  3. Step 3: Cross multiply
    327.79x = 494.82 × 325.97
  4. Step 4: Simplify right side
    327.79x = 161,294.85
  5. Step 5: Solve for x
    x = 161,294.85/327.79
  6. Step 6: Final answer
    x = 492.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.