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Finding the Fourth Proportional to 222.92, 334.30 and 154.44

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Solution

The fourth proportional to 222.92, 334.30 and 154.44 is: 231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.92 : 334.30 = 154.44 : x
  2. Step 2: Convert to fraction form
    222.92/334.30 = 154.44/x
  3. Step 3: Cross multiply
    222.92x = 334.30 × 154.44
  4. Step 4: Simplify right side
    222.92x = 51,629.29
  5. Step 5: Solve for x
    x = 51,629.29/222.92
  6. Step 6: Final answer
    x = 231.60

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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.