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Finding the Fourth Proportional to 650.21, 974.75 and 303.37

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Solution

The fourth proportional to 650.21, 974.75 and 303.37 is: 454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.21 : 974.75 = 303.37 : x
  2. Step 2: Convert to fraction form
    650.21/974.75 = 303.37/x
  3. Step 3: Cross multiply
    650.21x = 974.75 × 303.37
  4. Step 4: Simplify right side
    650.21x = 295,705.95
  5. Step 5: Solve for x
    x = 295,705.95/650.21
  6. Step 6: Final answer
    x = 454.79

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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.