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Finding the Fourth Proportional to 799.25, 1,194.00 and 637.12

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Solution

The fourth proportional to 799.25, 1,194.00 and 637.12 is: 951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.25 : 1,194.00 = 637.12 : x
  2. Step 2: Convert to fraction form
    799.25/1,194.00 = 637.12/x
  3. Step 3: Cross multiply
    799.25x = 1,194.00 × 637.12
  4. Step 4: Simplify right side
    799.25x = 760,712.12
  5. Step 5: Solve for x
    x = 760,712.12/799.25
  6. Step 6: Final answer
    x = 951.78

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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.