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Finding the Fourth Proportional to 173.81, 238.08 and 171.59

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Solution

The fourth proportional to 173.81, 238.08 and 171.59 is: 235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.81 : 238.08 = 171.59 : x
  2. Step 2: Convert to fraction form
    173.81/238.08 = 171.59/x
  3. Step 3: Cross multiply
    173.81x = 238.08 × 171.59
  4. Step 4: Simplify right side
    173.81x = 40,850.96
  5. Step 5: Solve for x
    x = 40,850.96/173.81
  6. Step 6: Final answer
    x = 235.03

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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.