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Finding the Fourth Proportional to 400.22, 599.83 and 226.84

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Solution

The fourth proportional to 400.22, 599.83 and 226.84 is: 339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.22 : 599.83 = 226.84 : x
  2. Step 2: Convert to fraction form
    400.22/599.83 = 226.84/x
  3. Step 3: Cross multiply
    400.22x = 599.83 × 226.84
  4. Step 4: Simplify right side
    400.22x = 136,065.44
  5. Step 5: Solve for x
    x = 136,065.44/400.22
  6. Step 6: Final answer
    x = 339.98

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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.