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Finding the Fourth Proportional to 483.54, 667.17 and 273.72

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Solution

The fourth proportional to 483.54, 667.17 and 273.72 is: 377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.54 : 667.17 = 273.72 : x
  2. Step 2: Convert to fraction form
    483.54/667.17 = 273.72/x
  3. Step 3: Cross multiply
    483.54x = 667.17 × 273.72
  4. Step 4: Simplify right side
    483.54x = 182,617.77
  5. Step 5: Solve for x
    x = 182,617.77/483.54
  6. Step 6: Final answer
    x = 377.67

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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.