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Finding the Fourth Proportional to 199.26, 299.09 and 134.06

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Solution

The fourth proportional to 199.26, 299.09 and 134.06 is: 201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.26 : 299.09 = 134.06 : x
  2. Step 2: Convert to fraction form
    199.26/299.09 = 134.06/x
  3. Step 3: Cross multiply
    199.26x = 299.09 × 134.06
  4. Step 4: Simplify right side
    199.26x = 40,094.85
  5. Step 5: Solve for x
    x = 40,094.85/199.26
  6. Step 6: Final answer
    x = 201.22

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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.