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Finding the Fourth Proportional to 441.18, 608.85 and 293.90

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Solution

The fourth proportional to 441.18, 608.85 and 293.90 is: 405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.18 : 608.85 = 293.90 : x
  2. Step 2: Convert to fraction form
    441.18/608.85 = 293.90/x
  3. Step 3: Cross multiply
    441.18x = 608.85 × 293.90
  4. Step 4: Simplify right side
    441.18x = 178,937.97
  5. Step 5: Solve for x
    x = 178,937.97/441.18
  6. Step 6: Final answer
    x = 405.59

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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.