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Finding the Fourth Proportional to 694.54, 958.94 and 650.43

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Solution

The fourth proportional to 694.54, 958.94 and 650.43 is: 898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.54 : 958.94 = 650.43 : x
  2. Step 2: Convert to fraction form
    694.54/958.94 = 650.43/x
  3. Step 3: Cross multiply
    694.54x = 958.94 × 650.43
  4. Step 4: Simplify right side
    694.54x = 623,724.97
  5. Step 5: Solve for x
    x = 623,724.97/694.54
  6. Step 6: Final answer
    x = 898.04

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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.