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Finding the Fourth Proportional to 368.62, 552.09 and 224.14

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Solution

The fourth proportional to 368.62, 552.09 and 224.14 is: 335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.62 : 552.09 = 224.14 : x
  2. Step 2: Convert to fraction form
    368.62/552.09 = 224.14/x
  3. Step 3: Cross multiply
    368.62x = 552.09 × 224.14
  4. Step 4: Simplify right side
    368.62x = 123,745.45
  5. Step 5: Solve for x
    x = 123,745.45/368.62
  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.