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Finding the Fourth Proportional to 663.82, 994.50 and 334.37

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Solution

The fourth proportional to 663.82, 994.50 and 334.37 is: 500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    663.82 : 994.50 = 334.37 : x
  2. Step 2: Convert to fraction form
    663.82/994.50 = 334.37/x
  3. Step 3: Cross multiply
    663.82x = 994.50 × 334.37
  4. Step 4: Simplify right side
    663.82x = 332,530.97
  5. Step 5: Solve for x
    x = 332,530.97/663.82
  6. Step 6: Final answer
    x = 500.94

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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.