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Finding the Fourth Proportional to 835.85, 1,244.27 and 796.05

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Solution

The fourth proportional to 835.85, 1,244.27 and 796.05 is: 1,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.85 : 1,244.27 = 796.05 : x
  2. Step 2: Convert to fraction form
    835.85/1,244.27 = 796.05/x
  3. Step 3: Cross multiply
    835.85x = 1,244.27 × 796.05
  4. Step 4: Simplify right side
    835.85x = 990,503.12
  5. Step 5: Solve for x
    x = 990,503.12/835.85
  6. Step 6: Final answer
    x = 1,185.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.