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Finding the Fourth Proportional to 235.41, 352.91 and 201.39

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Solution

The fourth proportional to 235.41, 352.91 and 201.39 is: 301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.41 : 352.91 = 201.39 : x
  2. Step 2: Convert to fraction form
    235.41/352.91 = 201.39/x
  3. Step 3: Cross multiply
    235.41x = 352.91 × 201.39
  4. Step 4: Simplify right side
    235.41x = 71,071.54
  5. Step 5: Solve for x
    x = 71,071.54/235.41
  6. Step 6: Final answer
    x = 301.91

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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.