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Finding the Fourth Proportional to 796.50, 1,195.11 and 276.48

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Solution

The fourth proportional to 796.50, 1,195.11 and 276.48 is: 414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.50 : 1,195.11 = 276.48 : x
  2. Step 2: Convert to fraction form
    796.50/1,195.11 = 276.48/x
  3. Step 3: Cross multiply
    796.50x = 1,195.11 × 276.48
  4. Step 4: Simplify right side
    796.50x = 330,424.01
  5. Step 5: Solve for x
    x = 330,424.01/796.50
  6. Step 6: Final answer
    x = 414.84

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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.