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Finding the Fourth Proportional to 236.30, 352.05 and 224.66

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Solution

The fourth proportional to 236.30, 352.05 and 224.66 is: 334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.30 : 352.05 = 224.66 : x
  2. Step 2: Convert to fraction form
    236.30/352.05 = 224.66/x
  3. Step 3: Cross multiply
    236.30x = 352.05 × 224.66
  4. Step 4: Simplify right side
    236.30x = 79,092.43
  5. Step 5: Solve for x
    x = 79,092.43/236.30
  6. Step 6: Final answer
    x = 334.72

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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.