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Finding the Fourth Proportional to 244.45, 364.74 and 238.92

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Solution

The fourth proportional to 244.45, 364.74 and 238.92 is: 356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.45 : 364.74 = 238.92 : x
  2. Step 2: Convert to fraction form
    244.45/364.74 = 238.92/x
  3. Step 3: Cross multiply
    244.45x = 364.74 × 238.92
  4. Step 4: Simplify right side
    244.45x = 87,142.49
  5. Step 5: Solve for x
    x = 87,142.49/244.45
  6. Step 6: Final answer
    x = 356.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.