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Finding the Fourth Proportional to 797.70, 1,195.61 and 706.57

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Solution

The fourth proportional to 797.70, 1,195.61 and 706.57 is: 1,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.70 : 1,195.61 = 706.57 : x
  2. Step 2: Convert to fraction form
    797.70/1,195.61 = 706.57/x
  3. Step 3: Cross multiply
    797.70x = 1,195.61 × 706.57
  4. Step 4: Simplify right side
    797.70x = 844,786.34
  5. Step 5: Solve for x
    x = 844,786.34/797.70
  6. Step 6: Final answer
    x = 1,059.03

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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.