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Finding the Fourth Proportional to 327.82, 451.97 and 268.59

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Solution

The fourth proportional to 327.82, 451.97 and 268.59 is: 370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.82 : 451.97 = 268.59 : x
  2. Step 2: Convert to fraction form
    327.82/451.97 = 268.59/x
  3. Step 3: Cross multiply
    327.82x = 451.97 × 268.59
  4. Step 4: Simplify right side
    327.82x = 121,394.19
  5. Step 5: Solve for x
    x = 121,394.19/327.82
  6. Step 6: Final answer
    x = 370.31

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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.