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Finding the Fourth Proportional to 494.54, 682.47 and 273.50

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Solution

The fourth proportional to 494.54, 682.47 and 273.50 is: 377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.54 : 682.47 = 273.50 : x
  2. Step 2: Convert to fraction form
    494.54/682.47 = 273.50/x
  3. Step 3: Cross multiply
    494.54x = 682.47 × 273.50
  4. Step 4: Simplify right side
    494.54x = 186,655.55
  5. Step 5: Solve for x
    x = 186,655.55/494.54
  6. Step 6: Final answer
    x = 377.43

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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.