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Finding the Fourth Proportional to 327.22, 451.30 and 222.25

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Solution

The fourth proportional to 327.22, 451.30 and 222.25 is: 306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.22 : 451.30 = 222.25 : x
  2. Step 2: Convert to fraction form
    327.22/451.30 = 222.25/x
  3. Step 3: Cross multiply
    327.22x = 451.30 × 222.25
  4. Step 4: Simplify right side
    327.22x = 100,301.43
  5. Step 5: Solve for x
    x = 100,301.43/327.22
  6. Step 6: Final answer
    x = 306.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.