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Finding the Fourth Proportional to 363.98, 544.93 and 273.06

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Solution

The fourth proportional to 363.98, 544.93 and 273.06 is: 408.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.98 : 544.93 = 273.06 : x
  2. Step 2: Convert to fraction form
    363.98/544.93 = 273.06/x
  3. Step 3: Cross multiply
    363.98x = 544.93 × 273.06
  4. Step 4: Simplify right side
    363.98x = 148,797.90
  5. Step 5: Solve for x
    x = 148,797.90/363.98
  6. Step 6: Final answer
    x = 408.81

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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.