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Finding the Fourth Proportional to 171.37, 236.46 and 101.44

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Solution

The fourth proportional to 171.37, 236.46 and 101.44 is: 139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.37 : 236.46 = 101.44 : x
  2. Step 2: Convert to fraction form
    171.37/236.46 = 101.44/x
  3. Step 3: Cross multiply
    171.37x = 236.46 × 101.44
  4. Step 4: Simplify right side
    171.37x = 23,986.50
  5. Step 5: Solve for x
    x = 23,986.50/171.37
  6. Step 6: Final answer
    x = 139.97

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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.