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Finding the Fourth Proportional to 363.84, 546 and 158.46

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Solution

The fourth proportional to 363.84, 546 and 158.46 is: 237.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.84 : 546 = 158.46 : x
  2. Step 2: Convert to fraction form
    363.84/546 = 158.46/x
  3. Step 3: Cross multiply
    363.84x = 546 × 158.46
  4. Step 4: Simplify right side
    363.84x = 86,519.16
  5. Step 5: Solve for x
    x = 86,519.16/363.84
  6. Step 6: Final answer
    x = 237.79

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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.