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Finding the Fourth Proportional to 363.11, 544.82 and 157.95

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Solution

The fourth proportional to 363.11, 544.82 and 157.95 is: 236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.11 : 544.82 = 157.95 : x
  2. Step 2: Convert to fraction form
    363.11/544.82 = 157.95/x
  3. Step 3: Cross multiply
    363.11x = 544.82 × 157.95
  4. Step 4: Simplify right side
    363.11x = 86,053.53
  5. Step 5: Solve for x
    x = 86,053.53/363.11
  6. Step 6: Final answer
    x = 236.99

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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.