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Finding the Fourth Proportional to 173.60, 238.59 and 168.74

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Solution

The fourth proportional to 173.60, 238.59 and 168.74 is: 231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.60 : 238.59 = 168.74 : x
  2. Step 2: Convert to fraction form
    173.60/238.59 = 168.74/x
  3. Step 3: Cross multiply
    173.60x = 238.59 × 168.74
  4. Step 4: Simplify right side
    173.60x = 40,259.68
  5. Step 5: Solve for x
    x = 40,259.68/173.60
  6. Step 6: Final answer
    x = 231.91

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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.