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Finding the Fourth Proportional to 299.01, 447.98 and 234.75

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Solution

The fourth proportional to 299.01, 447.98 and 234.75 is: 351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.01 : 447.98 = 234.75 : x
  2. Step 2: Convert to fraction form
    299.01/447.98 = 234.75/x
  3. Step 3: Cross multiply
    299.01x = 447.98 × 234.75
  4. Step 4: Simplify right side
    299.01x = 105,162.13
  5. Step 5: Solve for x
    x = 105,162.13/299.01
  6. Step 6: Final answer
    x = 351.70

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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.