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Finding the Fourth Proportional to 368.24, 552.23 and 343.97

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Solution

The fourth proportional to 368.24, 552.23 and 343.97 is: 515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.24 : 552.23 = 343.97 : x
  2. Step 2: Convert to fraction form
    368.24/552.23 = 343.97/x
  3. Step 3: Cross multiply
    368.24x = 552.23 × 343.97
  4. Step 4: Simplify right side
    368.24x = 189,951.37
  5. Step 5: Solve for x
    x = 189,951.37/368.24
  6. Step 6: Final answer
    x = 515.84

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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.