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Finding the Fourth Proportional to 254.13, 380.58 and 224.16

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Solution

The fourth proportional to 254.13, 380.58 and 224.16 is: 335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.13 : 380.58 = 224.16 : x
  2. Step 2: Convert to fraction form
    254.13/380.58 = 224.16/x
  3. Step 3: Cross multiply
    254.13x = 380.58 × 224.16
  4. Step 4: Simplify right side
    254.13x = 85,310.81
  5. Step 5: Solve for x
    x = 85,310.81/254.13
  6. Step 6: Final answer
    x = 335.70

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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.