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Finding the Fourth Proportional to 235.94, 353.38 and 201.30

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Solution

The fourth proportional to 235.94, 353.38 and 201.30 is: 301.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.94 : 353.38 = 201.30 : x
  2. Step 2: Convert to fraction form
    235.94/353.38 = 201.30/x
  3. Step 3: Cross multiply
    235.94x = 353.38 × 201.30
  4. Step 4: Simplify right side
    235.94x = 71,135.39
  5. Step 5: Solve for x
    x = 71,135.39/235.94
  6. Step 6: Final answer
    x = 301.50

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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.