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Finding the Fourth Proportional to 133.28, 183.80 and 94.44

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Solution

The fourth proportional to 133.28, 183.80 and 94.44 is: 130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.28 : 183.80 = 94.44 : x
  2. Step 2: Convert to fraction form
    133.28/183.80 = 94.44/x
  3. Step 3: Cross multiply
    133.28x = 183.80 × 94.44
  4. Step 4: Simplify right side
    133.28x = 17,358.07
  5. Step 5: Solve for x
    x = 17,358.07/133.28
  6. Step 6: Final answer
    x = 130.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.