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Finding the Fourth Proportional to 201.36, 303.57 and 169.50

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Solution

The fourth proportional to 201.36, 303.57 and 169.50 is: 255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.36 : 303.57 = 169.50 : x
  2. Step 2: Convert to fraction form
    201.36/303.57 = 169.50/x
  3. Step 3: Cross multiply
    201.36x = 303.57 × 169.50
  4. Step 4: Simplify right side
    201.36x = 51,455.12
  5. Step 5: Solve for x
    x = 51,455.12/201.36
  6. Step 6: Final answer
    x = 255.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.