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Finding the Fourth Proportional to 797.00, 1,195.45 and 449.25

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Solution

The fourth proportional to 797.00, 1,195.45 and 449.25 is: 673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.00 : 1,195.45 = 449.25 : x
  2. Step 2: Convert to fraction form
    797.00/1,195.45 = 449.25/x
  3. Step 3: Cross multiply
    797.00x = 1,195.45 × 449.25
  4. Step 4: Simplify right side
    797.00x = 537,049.67
  5. Step 5: Solve for x
    x = 537,049.67/797.00
  6. Step 6: Final answer
    x = 673.84

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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.