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Finding the Fourth Proportional to 242.44, 364.02 and 240.82

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Solution

The fourth proportional to 242.44, 364.02 and 240.82 is: 361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.44 : 364.02 = 240.82 : x
  2. Step 2: Convert to fraction form
    242.44/364.02 = 240.82/x
  3. Step 3: Cross multiply
    242.44x = 364.02 × 240.82
  4. Step 4: Simplify right side
    242.44x = 87,663.30
  5. Step 5: Solve for x
    x = 87,663.30/242.44
  6. Step 6: Final answer
    x = 361.59

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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.