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Finding the Fourth Proportional to 235.95, 353.94 and 195.67

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Solution

The fourth proportional to 235.95, 353.94 and 195.67 is: 293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.95 : 353.94 = 195.67 : x
  2. Step 2: Convert to fraction form
    235.95/353.94 = 195.67/x
  3. Step 3: Cross multiply
    235.95x = 353.94 × 195.67
  4. Step 4: Simplify right side
    235.95x = 69,255.44
  5. Step 5: Solve for x
    x = 69,255.44/235.95
  6. Step 6: Final answer
    x = 293.52

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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.