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Finding the Fourth Proportional to 850.26, 1,175.58 and 837.84

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Solution

The fourth proportional to 850.26, 1,175.58 and 837.84 is: 1,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.26 : 1,175.58 = 837.84 : x
  2. Step 2: Convert to fraction form
    850.26/1,175.58 = 837.84/x
  3. Step 3: Cross multiply
    850.26x = 1,175.58 × 837.84
  4. Step 4: Simplify right side
    850.26x = 984,947.95
  5. Step 5: Solve for x
    x = 984,947.95/850.26
  6. Step 6: Final answer
    x = 1,158.41

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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.