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Finding the Fourth Proportional to 368.20, 552.10 and 162.73

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Solution

The fourth proportional to 368.20, 552.10 and 162.73 is: 244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.20 : 552.10 = 162.73 : x
  2. Step 2: Convert to fraction form
    368.20/552.10 = 162.73/x
  3. Step 3: Cross multiply
    368.20x = 552.10 × 162.73
  4. Step 4: Simplify right side
    368.20x = 89,843.23
  5. Step 5: Solve for x
    x = 89,843.23/368.20
  6. Step 6: Final answer
    x = 244.01

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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.