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Finding the Fourth Proportional to 650.96, 968.07 and 630.45

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Solution

The fourth proportional to 650.96, 968.07 and 630.45 is: 937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.96 : 968.07 = 630.45 : x
  2. Step 2: Convert to fraction form
    650.96/968.07 = 630.45/x
  3. Step 3: Cross multiply
    650.96x = 968.07 × 630.45
  4. Step 4: Simplify right side
    650.96x = 610,319.73
  5. Step 5: Solve for x
    x = 610,319.73/650.96
  6. Step 6: Final answer
    x = 937.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.