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Finding the Fourth Proportional to 797.06, 1,096.95 and 674.33

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Solution

The fourth proportional to 797.06, 1,096.95 and 674.33 is: 928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.06 : 1,096.95 = 674.33 : x
  2. Step 2: Convert to fraction form
    797.06/1,096.95 = 674.33/x
  3. Step 3: Cross multiply
    797.06x = 1,096.95 × 674.33
  4. Step 4: Simplify right side
    797.06x = 739,706.29
  5. Step 5: Solve for x
    x = 739,706.29/797.06
  6. Step 6: Final answer
    x = 928.04

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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.