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Finding the Fourth Proportional to 223.29, 334.35 and 158.33

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Solution

The fourth proportional to 223.29, 334.35 and 158.33 is: 237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.29 : 334.35 = 158.33 : x
  2. Step 2: Convert to fraction form
    223.29/334.35 = 158.33/x
  3. Step 3: Cross multiply
    223.29x = 334.35 × 158.33
  4. Step 4: Simplify right side
    223.29x = 52,938.47
  5. Step 5: Solve for x
    x = 52,938.47/223.29
  6. Step 6: Final answer
    x = 237.08

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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.