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Finding the Fourth Proportional to 299.95, 414.04 and 234.34

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Solution

The fourth proportional to 299.95, 414.04 and 234.34 is: 323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.95 : 414.04 = 234.34 : x
  2. Step 2: Convert to fraction form
    299.95/414.04 = 234.34/x
  3. Step 3: Cross multiply
    299.95x = 414.04 × 234.34
  4. Step 4: Simplify right side
    299.95x = 97,026.62
  5. Step 5: Solve for x
    x = 97,026.62/299.95
  6. Step 6: Final answer
    x = 323.47

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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.