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Finding the Fourth Proportional to 222.56, 333.52 and 158.24

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Solution

The fourth proportional to 222.56, 333.52 and 158.24 is: 237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.56 : 333.52 = 158.24 : x
  2. Step 2: Convert to fraction form
    222.56/333.52 = 158.24/x
  3. Step 3: Cross multiply
    222.56x = 333.52 × 158.24
  4. Step 4: Simplify right side
    222.56x = 52,776.20
  5. Step 5: Solve for x
    x = 52,776.20/222.56
  6. Step 6: Final answer
    x = 237.13

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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.