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Finding the Fourth Proportional to 236.12, 354.46 and 235.08

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Solution

The fourth proportional to 236.12, 354.46 and 235.08 is: 352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.12 : 354.46 = 235.08 : x
  2. Step 2: Convert to fraction form
    236.12/354.46 = 235.08/x
  3. Step 3: Cross multiply
    236.12x = 354.46 × 235.08
  4. Step 4: Simplify right side
    236.12x = 83,326.46
  5. Step 5: Solve for x
    x = 83,326.46/236.12
  6. Step 6: Final answer
    x = 352.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.