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Finding the Fourth Proportional to 797.33, 1,195.16 and 445.84

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Solution

The fourth proportional to 797.33, 1,195.16 and 445.84 is: 668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.33 : 1,195.16 = 445.84 : x
  2. Step 2: Convert to fraction form
    797.33/1,195.16 = 445.84/x
  3. Step 3: Cross multiply
    797.33x = 1,195.16 × 445.84
  4. Step 4: Simplify right side
    797.33x = 532,844.92
  5. Step 5: Solve for x
    x = 532,844.92/797.33
  6. Step 6: Final answer
    x = 668.29

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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.