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Finding the Fourth Proportional to 201.01, 300.86 and 108.23

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Solution

The fourth proportional to 201.01, 300.86 and 108.23 is: 161.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.01 : 300.86 = 108.23 : x
  2. Step 2: Convert to fraction form
    201.01/300.86 = 108.23/x
  3. Step 3: Cross multiply
    201.01x = 300.86 × 108.23
  4. Step 4: Simplify right side
    201.01x = 32,562.08
  5. Step 5: Solve for x
    x = 32,562.08/201.01
  6. Step 6: Final answer
    x = 161.99

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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.