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Finding the Fourth Proportional to 363.98, 544.86 and 201.18

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Solution

The fourth proportional to 363.98, 544.86 and 201.18 is: 301.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.98 : 544.86 = 201.18 : x
  2. Step 2: Convert to fraction form
    363.98/544.86 = 201.18/x
  3. Step 3: Cross multiply
    363.98x = 544.86 × 201.18
  4. Step 4: Simplify right side
    363.98x = 109,614.93
  5. Step 5: Solve for x
    x = 109,614.93/363.98
  6. Step 6: Final answer
    x = 301.16

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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.