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Finding the Fourth Proportional to 483.25, 666.84 and 273.44

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Solution

The fourth proportional to 483.25, 666.84 and 273.44 is: 377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.25 : 666.84 = 273.44 : x
  2. Step 2: Convert to fraction form
    483.25/666.84 = 273.44/x
  3. Step 3: Cross multiply
    483.25x = 666.84 × 273.44
  4. Step 4: Simplify right side
    483.25x = 182,344.04
  5. Step 5: Solve for x
    x = 182,344.04/483.25
  6. Step 6: Final answer
    x = 377.33

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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.