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Finding the Fourth Proportional to 222.91, 334.88 and 158.07

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Solution

The fourth proportional to 222.91, 334.88 and 158.07 is: 237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.91 : 334.88 = 158.07 : x
  2. Step 2: Convert to fraction form
    222.91/334.88 = 158.07/x
  3. Step 3: Cross multiply
    222.91x = 334.88 × 158.07
  4. Step 4: Simplify right side
    222.91x = 52,934.60
  5. Step 5: Solve for x
    x = 52,934.60/222.91
  6. Step 6: Final answer
    x = 237.47

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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.