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Finding the Fourth Proportional to 236.94, 327 and 148.51

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Solution

The fourth proportional to 236.94, 327 and 148.51 is: 204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.94 : 327 = 148.51 : x
  2. Step 2: Convert to fraction form
    236.94/327 = 148.51/x
  3. Step 3: Cross multiply
    236.94x = 327 × 148.51
  4. Step 4: Simplify right side
    236.94x = 48,561.14
  5. Step 5: Solve for x
    x = 48,561.14/236.94
  6. Step 6: Final answer
    x = 204.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.