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Finding the Fourth Proportional to 483.44, 667.12 and 273.62

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Solution

The fourth proportional to 483.44, 667.12 and 273.62 is: 377.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.44 : 667.12 = 273.62 : x
  2. Step 2: Convert to fraction form
    483.44/667.12 = 273.62/x
  3. Step 3: Cross multiply
    483.44x = 667.12 × 273.62
  4. Step 4: Simplify right side
    483.44x = 182,537.37
  5. Step 5: Solve for x
    x = 182,537.37/483.44
  6. Step 6: Final answer
    x = 377.58

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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.