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Finding the Fourth Proportional to 133.67, 183.34 and 127.37

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Solution

The fourth proportional to 133.67, 183.34 and 127.37 is: 174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.67 : 183.34 = 127.37 : x
  2. Step 2: Convert to fraction form
    133.67/183.34 = 127.37/x
  3. Step 3: Cross multiply
    133.67x = 183.34 × 127.37
  4. Step 4: Simplify right side
    133.67x = 23,352.02
  5. Step 5: Solve for x
    x = 23,352.02/133.67
  6. Step 6: Final answer
    x = 174.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.