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Finding the Fourth Proportional to 650.26, 974.62 and 321.34

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Solution

The fourth proportional to 650.26, 974.62 and 321.34 is: 481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.26 : 974.62 = 321.34 : x
  2. Step 2: Convert to fraction form
    650.26/974.62 = 321.34/x
  3. Step 3: Cross multiply
    650.26x = 974.62 × 321.34
  4. Step 4: Simplify right side
    650.26x = 313,184.39
  5. Step 5: Solve for x
    x = 313,184.39/650.26
  6. Step 6: Final answer
    x = 481.63

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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.