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Finding the Fourth Proportional to 442.85, 663.73 and 182.75

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Solution

The fourth proportional to 442.85, 663.73 and 182.75 is: 273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.85 : 663.73 = 182.75 : x
  2. Step 2: Convert to fraction form
    442.85/663.73 = 182.75/x
  3. Step 3: Cross multiply
    442.85x = 663.73 × 182.75
  4. Step 4: Simplify right side
    442.85x = 121,292.88
  5. Step 5: Solve for x
    x = 121,292.88/442.85
  6. Step 6: Final answer
    x = 273.89

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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.