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Finding the Fourth Proportional to 468.82, 703.18 and 194.83

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Solution

The fourth proportional to 468.82, 703.18 and 194.83 is: 292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.82 : 703.18 = 194.83 : x
  2. Step 2: Convert to fraction form
    468.82/703.18 = 194.83/x
  3. Step 3: Cross multiply
    468.82x = 703.18 × 194.83
  4. Step 4: Simplify right side
    468.82x = 137,000.56
  5. Step 5: Solve for x
    x = 137,000.56/468.82
  6. Step 6: Final answer
    x = 292.22

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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.