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Finding the Fourth Proportional to 244.26, 336.96 and 233.28

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Solution

The fourth proportional to 244.26, 336.96 and 233.28 is: 321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.26 : 336.96 = 233.28 : x
  2. Step 2: Convert to fraction form
    244.26/336.96 = 233.28/x
  3. Step 3: Cross multiply
    244.26x = 336.96 × 233.28
  4. Step 4: Simplify right side
    244.26x = 78,606.03
  5. Step 5: Solve for x
    x = 78,606.03/244.26
  6. Step 6: Final answer
    x = 321.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.