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Finding the Fourth Proportional to 649.58, 976.19 and 633.17

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Solution

The fourth proportional to 649.58, 976.19 and 633.17 is: 951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    649.58 : 976.19 = 633.17 : x
  2. Step 2: Convert to fraction form
    649.58/976.19 = 633.17/x
  3. Step 3: Cross multiply
    649.58x = 976.19 × 633.17
  4. Step 4: Simplify right side
    649.58x = 618,086.18
  5. Step 5: Solve for x
    x = 618,086.18/649.58
  6. Step 6: Final answer
    x = 951.52

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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.