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Finding the Fourth Proportional to 236.49, 356.55 and 204.27

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Solution

The fourth proportional to 236.49, 356.55 and 204.27 is: 307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.49 : 356.55 = 204.27 : x
  2. Step 2: Convert to fraction form
    236.49/356.55 = 204.27/x
  3. Step 3: Cross multiply
    236.49x = 356.55 × 204.27
  4. Step 4: Simplify right side
    236.49x = 72,832.47
  5. Step 5: Solve for x
    x = 72,832.47/236.49
  6. Step 6: Final answer
    x = 307.97

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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.