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Finding the Fourth Proportional to 250.44, 376.14 and 214.44

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Solution

The fourth proportional to 250.44, 376.14 and 214.44 is: 322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.44 : 376.14 = 214.44 : x
  2. Step 2: Convert to fraction form
    250.44/376.14 = 214.44/x
  3. Step 3: Cross multiply
    250.44x = 376.14 × 214.44
  4. Step 4: Simplify right side
    250.44x = 80,659.46
  5. Step 5: Solve for x
    x = 80,659.46/250.44
  6. Step 6: Final answer
    x = 322.07

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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.