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Finding the Fourth Proportional to 273.42, 410.43 and 204.26

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Solution

The fourth proportional to 273.42, 410.43 and 204.26 is: 306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.42 : 410.43 = 204.26 : x
  2. Step 2: Convert to fraction form
    273.42/410.43 = 204.26/x
  3. Step 3: Cross multiply
    273.42x = 410.43 × 204.26
  4. Step 4: Simplify right side
    273.42x = 83,834.43
  5. Step 5: Solve for x
    x = 83,834.43/273.42
  6. Step 6: Final answer
    x = 306.61

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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.