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Finding the Fourth Proportional to 794.06, 1,190.16 and 702.94

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Solution

The fourth proportional to 794.06, 1,190.16 and 702.94 is: 1,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.06 : 1,190.16 = 702.94 : x
  2. Step 2: Convert to fraction form
    794.06/1,190.16 = 702.94/x
  3. Step 3: Cross multiply
    794.06x = 1,190.16 × 702.94
  4. Step 4: Simplify right side
    794.06x = 836,611.07
  5. Step 5: Solve for x
    x = 836,611.07/794.06
  6. Step 6: Final answer
    x = 1,053.59

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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.