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Finding the Fourth Proportional to 134.21, 201.22 and 95.67

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Solution

The fourth proportional to 134.21, 201.22 and 95.67 is: 143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.21 : 201.22 = 95.67 : x
  2. Step 2: Convert to fraction form
    134.21/201.22 = 95.67/x
  3. Step 3: Cross multiply
    134.21x = 201.22 × 95.67
  4. Step 4: Simplify right side
    134.21x = 19,250.48
  5. Step 5: Solve for x
    x = 19,250.48/134.21
  6. Step 6: Final answer
    x = 143.43

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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.