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Finding the Fourth Proportional to 331.16, 496.02 and 222.44

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Solution

The fourth proportional to 331.16, 496.02 and 222.44 is: 333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.16 : 496.02 = 222.44 : x
  2. Step 2: Convert to fraction form
    331.16/496.02 = 222.44/x
  3. Step 3: Cross multiply
    331.16x = 496.02 × 222.44
  4. Step 4: Simplify right side
    331.16x = 110,334.69
  5. Step 5: Solve for x
    x = 110,334.69/331.16
  6. Step 6: Final answer
    x = 333.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.