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Finding the Fourth Proportional to 273.60, 375.48 and 245.79

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Solution

The fourth proportional to 273.60, 375.48 and 245.79 is: 337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.60 : 375.48 = 245.79 : x
  2. Step 2: Convert to fraction form
    273.60/375.48 = 245.79/x
  3. Step 3: Cross multiply
    273.60x = 375.48 × 245.79
  4. Step 4: Simplify right side
    273.60x = 92,289.23
  5. Step 5: Solve for x
    x = 92,289.23/273.60
  6. Step 6: Final answer
    x = 337.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.