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Finding the Fourth Proportional to 201.56, 277.80 and 184.13

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Solution

The fourth proportional to 201.56, 277.80 and 184.13 is: 253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.56 : 277.80 = 184.13 : x
  2. Step 2: Convert to fraction form
    201.56/277.80 = 184.13/x
  3. Step 3: Cross multiply
    201.56x = 277.80 × 184.13
  4. Step 4: Simplify right side
    201.56x = 51,149.93
  5. Step 5: Solve for x
    x = 51,149.93/201.56
  6. Step 6: Final answer
    x = 253.78

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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.