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Finding the Fourth Proportional to 327.03, 451.34 and 187.17

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Solution

The fourth proportional to 327.03, 451.34 and 187.17 is: 258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.03 : 451.34 = 187.17 : x
  2. Step 2: Convert to fraction form
    327.03/451.34 = 187.17/x
  3. Step 3: Cross multiply
    327.03x = 451.34 × 187.17
  4. Step 4: Simplify right side
    327.03x = 84,475.38
  5. Step 5: Solve for x
    x = 84,475.38/327.03
  6. Step 6: Final answer
    x = 258.31

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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.