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Finding the Fourth Proportional to 273.15, 411.55 and 236.70

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Solution

The fourth proportional to 273.15, 411.55 and 236.70 is: 356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.15 : 411.55 = 236.70 : x
  2. Step 2: Convert to fraction form
    273.15/411.55 = 236.70/x
  3. Step 3: Cross multiply
    273.15x = 411.55 × 236.70
  4. Step 4: Simplify right side
    273.15x = 97,413.29
  5. Step 5: Solve for x
    x = 97,413.29/273.15
  6. Step 6: Final answer
    x = 356.63

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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.