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Finding the Fourth Proportional to 492.62, 680.32 and 335.94

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Solution

The fourth proportional to 492.62, 680.32 and 335.94 is: 463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.62 : 680.32 = 335.94 : x
  2. Step 2: Convert to fraction form
    492.62/680.32 = 335.94/x
  3. Step 3: Cross multiply
    492.62x = 680.32 × 335.94
  4. Step 4: Simplify right side
    492.62x = 228,546.70
  5. Step 5: Solve for x
    x = 228,546.70/492.62
  6. Step 6: Final answer
    x = 463.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.