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Finding the Fourth Proportional to 203.74, 280.52 and 185.27

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Solution

The fourth proportional to 203.74, 280.52 and 185.27 is: 255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.74 : 280.52 = 185.27 : x
  2. Step 2: Convert to fraction form
    203.74/280.52 = 185.27/x
  3. Step 3: Cross multiply
    203.74x = 280.52 × 185.27
  4. Step 4: Simplify right side
    203.74x = 51,969.61
  5. Step 5: Solve for x
    x = 51,969.61/203.74
  6. Step 6: Final answer
    x = 255.08

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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.