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Finding the Fourth Proportional to 441.08, 608.92 and 293.90

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Solution

The fourth proportional to 441.08, 608.92 and 293.90 is: 405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.08 : 608.92 = 293.90 : x
  2. Step 2: Convert to fraction form
    441.08/608.92 = 293.90/x
  3. Step 3: Cross multiply
    441.08x = 608.92 × 293.90
  4. Step 4: Simplify right side
    441.08x = 178,957.81
  5. Step 5: Solve for x
    x = 178,957.81/441.08
  6. Step 6: Final answer
    x = 405.73

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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.