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Finding the Fourth Proportional to 797.94, 1,100.48 and 673.88

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Solution

The fourth proportional to 797.94, 1,100.48 and 673.88 is: 929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.94 : 1,100.48 = 673.88 : x
  2. Step 2: Convert to fraction form
    797.94/1,100.48 = 673.88/x
  3. Step 3: Cross multiply
    797.94x = 1,100.48 × 673.88
  4. Step 4: Simplify right side
    797.94x = 741,582.59
  5. Step 5: Solve for x
    x = 741,582.59/797.94
  6. Step 6: Final answer
    x = 929.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.