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Finding the Fourth Proportional to 242.49, 363.59 and 151.37

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Solution

The fourth proportional to 242.49, 363.59 and 151.37 is: 226.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.49 : 363.59 = 151.37 : x
  2. Step 2: Convert to fraction form
    242.49/363.59 = 151.37/x
  3. Step 3: Cross multiply
    242.49x = 363.59 × 151.37
  4. Step 4: Simplify right side
    242.49x = 55,035.97
  5. Step 5: Solve for x
    x = 55,035.97/242.49
  6. Step 6: Final answer
    x = 226.96

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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.