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Finding the Fourth Proportional to 201.10, 300.93 and 165.10

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Solution

The fourth proportional to 201.10, 300.93 and 165.10 is: 247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.10 : 300.93 = 165.10 : x
  2. Step 2: Convert to fraction form
    201.10/300.93 = 165.10/x
  3. Step 3: Cross multiply
    201.10x = 300.93 × 165.10
  4. Step 4: Simplify right side
    201.10x = 49,683.54
  5. Step 5: Solve for x
    x = 49,683.54/201.10
  6. Step 6: Final answer
    x = 247.06

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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.