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Finding the Fourth Proportional to 201.63, 277.56 and 173.82

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Solution

The fourth proportional to 201.63, 277.56 and 173.82 is: 239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.63 : 277.56 = 173.82 : x
  2. Step 2: Convert to fraction form
    201.63/277.56 = 173.82/x
  3. Step 3: Cross multiply
    201.63x = 277.56 × 173.82
  4. Step 4: Simplify right side
    201.63x = 48,245.48
  5. Step 5: Solve for x
    x = 48,245.48/201.63
  6. Step 6: Final answer
    x = 239.28

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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.