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Finding the Fourth Proportional to 133.75, 200.26 and 95.03

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Solution

The fourth proportional to 133.75, 200.26 and 95.03 is: 142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.75 : 200.26 = 95.03 : x
  2. Step 2: Convert to fraction form
    133.75/200.26 = 95.03/x
  3. Step 3: Cross multiply
    133.75x = 200.26 × 95.03
  4. Step 4: Simplify right side
    133.75x = 19,030.71
  5. Step 5: Solve for x
    x = 19,030.71/133.75
  6. Step 6: Final answer
    x = 142.29

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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.