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Finding the Fourth Proportional to 649.59, 966.03 and 629.08

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Solution

The fourth proportional to 649.59, 966.03 and 629.08 is: 935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    649.59 : 966.03 = 629.08 : x
  2. Step 2: Convert to fraction form
    649.59/966.03 = 629.08/x
  3. Step 3: Cross multiply
    649.59x = 966.03 × 629.08
  4. Step 4: Simplify right side
    649.59x = 607,705.38
  5. Step 5: Solve for x
    x = 607,705.38/649.59
  6. Step 6: Final answer
    x = 935.53

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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.