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Finding the Fourth Proportional to 403.01, 605.04 and 273.59

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Solution

The fourth proportional to 403.01, 605.04 and 273.59 is: 410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.01 : 605.04 = 273.59 : x
  2. Step 2: Convert to fraction form
    403.01/605.04 = 273.59/x
  3. Step 3: Cross multiply
    403.01x = 605.04 × 273.59
  4. Step 4: Simplify right side
    403.01x = 165,531.53
  5. Step 5: Solve for x
    x = 165,531.53/403.01
  6. Step 6: Final answer
    x = 410.74

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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.