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Finding the Fourth Proportional to 254.37, 380.04 and 224.30

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Solution

The fourth proportional to 254.37, 380.04 and 224.30 is: 335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.37 : 380.04 = 224.30 : x
  2. Step 2: Convert to fraction form
    254.37/380.04 = 224.30/x
  3. Step 3: Cross multiply
    254.37x = 380.04 × 224.30
  4. Step 4: Simplify right side
    254.37x = 85,241.07
  5. Step 5: Solve for x
    x = 85,241.07/254.37
  6. Step 6: Final answer
    x = 335.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.