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Finding the Fourth Proportional to 299.88, 414.05 and 234.27

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Solution

The fourth proportional to 299.88, 414.05 and 234.27 is: 323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.88 : 414.05 = 234.27 : x
  2. Step 2: Convert to fraction form
    299.88/414.05 = 234.27/x
  3. Step 3: Cross multiply
    299.88x = 414.05 × 234.27
  4. Step 4: Simplify right side
    299.88x = 96,998.32
  5. Step 5: Solve for x
    x = 96,998.32/299.88
  6. Step 6: Final answer
    x = 323.46

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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.