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Finding the Fourth Proportional to 236.93, 357.21 and 233.86

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Solution

The fourth proportional to 236.93, 357.21 and 233.86 is: 352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.93 : 357.21 = 233.86 : x
  2. Step 2: Convert to fraction form
    236.93/357.21 = 233.86/x
  3. Step 3: Cross multiply
    236.93x = 357.21 × 233.86
  4. Step 4: Simplify right side
    236.93x = 83,537.13
  5. Step 5: Solve for x
    x = 83,537.13/236.93
  6. Step 6: Final answer
    x = 352.58

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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.