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Finding the Fourth Proportional to 650.52, 969.21 and 635.94

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Solution

The fourth proportional to 650.52, 969.21 and 635.94 is: 947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.52 : 969.21 = 635.94 : x
  2. Step 2: Convert to fraction form
    650.52/969.21 = 635.94/x
  3. Step 3: Cross multiply
    650.52x = 969.21 × 635.94
  4. Step 4: Simplify right side
    650.52x = 616,359.41
  5. Step 5: Solve for x
    x = 616,359.41/650.52
  6. Step 6: Final answer
    x = 947.49

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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.