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Finding the Fourth Proportional to 236.45, 352.82 and 235.10

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Solution

The fourth proportional to 236.45, 352.82 and 235.10 is: 350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.45 : 352.82 = 235.10 : x
  2. Step 2: Convert to fraction form
    236.45/352.82 = 235.10/x
  3. Step 3: Cross multiply
    236.45x = 352.82 × 235.10
  4. Step 4: Simplify right side
    236.45x = 82,947.98
  5. Step 5: Solve for x
    x = 82,947.98/236.45
  6. Step 6: Final answer
    x = 350.81

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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.