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Finding the Fourth Proportional to 250.73, 376.75 and 135.26

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Solution

The fourth proportional to 250.73, 376.75 and 135.26 is: 203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.73 : 376.75 = 135.26 : x
  2. Step 2: Convert to fraction form
    250.73/376.75 = 135.26/x
  3. Step 3: Cross multiply
    250.73x = 376.75 × 135.26
  4. Step 4: Simplify right side
    250.73x = 50,959.21
  5. Step 5: Solve for x
    x = 50,959.21/250.73
  6. Step 6: Final answer
    x = 203.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.