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Finding the Fourth Proportional to 327.06, 451.36 and 196.07

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Solution

The fourth proportional to 327.06, 451.36 and 196.07 is: 270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.06 : 451.36 = 196.07 : x
  2. Step 2: Convert to fraction form
    327.06/451.36 = 196.07/x
  3. Step 3: Cross multiply
    327.06x = 451.36 × 196.07
  4. Step 4: Simplify right side
    327.06x = 88,494.92
  5. Step 5: Solve for x
    x = 88,494.92/327.06
  6. Step 6: Final answer
    x = 270.58

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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.