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Finding the Fourth Proportional to 468.72, 703 and 194.96

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Solution

The fourth proportional to 468.72, 703 and 194.96 is: 292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.72 : 703 = 194.96 : x
  2. Step 2: Convert to fraction form
    468.72/703 = 194.96/x
  3. Step 3: Cross multiply
    468.72x = 703 × 194.96
  4. Step 4: Simplify right side
    468.72x = 137,056.88
  5. Step 5: Solve for x
    x = 137,056.88/468.72
  6. Step 6: Final answer
    x = 292.41

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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.