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Finding the Fourth Proportional to 236.62, 353.01 and 225.59

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Solution

The fourth proportional to 236.62, 353.01 and 225.59 is: 336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.62 : 353.01 = 225.59 : x
  2. Step 2: Convert to fraction form
    236.62/353.01 = 225.59/x
  3. Step 3: Cross multiply
    236.62x = 353.01 × 225.59
  4. Step 4: Simplify right side
    236.62x = 79,635.53
  5. Step 5: Solve for x
    x = 79,635.53/236.62
  6. Step 6: Final answer
    x = 336.55

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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.