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Finding the Fourth Proportional to 366.73, 552.86 and 343.24

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Solution

The fourth proportional to 366.73, 552.86 and 343.24 is: 517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.73 : 552.86 = 343.24 : x
  2. Step 2: Convert to fraction form
    366.73/552.86 = 343.24/x
  3. Step 3: Cross multiply
    366.73x = 552.86 × 343.24
  4. Step 4: Simplify right side
    366.73x = 189,763.14
  5. Step 5: Solve for x
    x = 189,763.14/366.73
  6. Step 6: Final answer
    x = 517.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.