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Finding the Fourth Proportional to 201.61, 301.77 and 182.67

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Solution

The fourth proportional to 201.61, 301.77 and 182.67 is: 273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.61 : 301.77 = 182.67 : x
  2. Step 2: Convert to fraction form
    201.61/301.77 = 182.67/x
  3. Step 3: Cross multiply
    201.61x = 301.77 × 182.67
  4. Step 4: Simplify right side
    201.61x = 55,123.19
  5. Step 5: Solve for x
    x = 55,123.19/201.61
  6. Step 6: Final answer
    x = 273.41

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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.