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Finding the Fourth Proportional to 180.35, 248.89 and 133.94

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Solution

The fourth proportional to 180.35, 248.89 and 133.94 is: 184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.35 : 248.89 = 133.94 : x
  2. Step 2: Convert to fraction form
    180.35/248.89 = 133.94/x
  3. Step 3: Cross multiply
    180.35x = 248.89 × 133.94
  4. Step 4: Simplify right side
    180.35x = 33,336.74
  5. Step 5: Solve for x
    x = 33,336.74/180.35
  6. Step 6: Final answer
    x = 184.84

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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.