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Finding the Fourth Proportional to 835.44, 1,153.10 and 796.38

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Solution

The fourth proportional to 835.44, 1,153.10 and 796.38 is: 1,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.44 : 1,153.10 = 796.38 : x
  2. Step 2: Convert to fraction form
    835.44/1,153.10 = 796.38/x
  3. Step 3: Cross multiply
    835.44x = 1,153.10 × 796.38
  4. Step 4: Simplify right side
    835.44x = 918,305.78
  5. Step 5: Solve for x
    x = 918,305.78/835.44
  6. Step 6: Final answer
    x = 1,099.19

Related Problems

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Half scale
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Double scale
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1.5x scale

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.