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Finding the Fourth Proportional to 835.10, 1,252.67 and 796.16

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Solution

The fourth proportional to 835.10, 1,252.67 and 796.16 is: 1,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.10 : 1,252.67 = 796.16 : x
  2. Step 2: Convert to fraction form
    835.10/1,252.67 = 796.16/x
  3. Step 3: Cross multiply
    835.10x = 1,252.67 × 796.16
  4. Step 4: Simplify right side
    835.10x = 997,321.77
  5. Step 5: Solve for x
    x = 997,321.77/835.10
  6. Step 6: Final answer
    x = 1,194.25

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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.