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Finding the Fourth Proportional to 236.20, 352.42 and 201.58

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Solution

The fourth proportional to 236.20, 352.42 and 201.58 is: 300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.20 : 352.42 = 201.58 : x
  2. Step 2: Convert to fraction form
    236.20/352.42 = 201.58/x
  3. Step 3: Cross multiply
    236.20x = 352.42 × 201.58
  4. Step 4: Simplify right side
    236.20x = 71,040.82
  5. Step 5: Solve for x
    x = 71,040.82/236.20
  6. Step 6: Final answer
    x = 300.77

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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.