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Finding the Fourth Proportional to 235.33, 352.96 and 73.02

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Solution

The fourth proportional to 235.33, 352.96 and 73.02 is: 109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.33 : 352.96 = 73.02 : x
  2. Step 2: Convert to fraction form
    235.33/352.96 = 73.02/x
  3. Step 3: Cross multiply
    235.33x = 352.96 × 73.02
  4. Step 4: Simplify right side
    235.33x = 25,773.14
  5. Step 5: Solve for x
    x = 25,773.14/235.33
  6. Step 6: Final answer
    x = 109.52

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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.