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Finding the Fourth Proportional to 1,199.30, 1,794.76 and 829.49

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Solution

The fourth proportional to 1,199.30, 1,794.76 and 829.49 is: 1,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199.30 : 1,794.76 = 829.49 : x
  2. Step 2: Convert to fraction form
    1,199.30/1,794.76 = 829.49/x
  3. Step 3: Cross multiply
    1,199.30x = 1,794.76 × 829.49
  4. Step 4: Simplify right side
    1,199.30x = 1,488,724.42
  5. Step 5: Solve for x
    x = 1,488,724.42/1,199.30
  6. Step 6: Final answer
    x = 1,241.33

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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.