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Finding the Fourth Proportional to 235.07, 352.82 and 132.33

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Solution

The fourth proportional to 235.07, 352.82 and 132.33 is: 198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.07 : 352.82 = 132.33 : x
  2. Step 2: Convert to fraction form
    235.07/352.82 = 132.33/x
  3. Step 3: Cross multiply
    235.07x = 352.82 × 132.33
  4. Step 4: Simplify right side
    235.07x = 46,690.32
  5. Step 5: Solve for x
    x = 46,690.32/235.07
  6. Step 6: Final answer
    x = 198.62

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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.