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Finding the Fourth Proportional to 236.51, 353.86 and 235.91

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Solution

The fourth proportional to 236.51, 353.86 and 235.91 is: 352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.51 : 353.86 = 235.91 : x
  2. Step 2: Convert to fraction form
    236.51/353.86 = 235.91/x
  3. Step 3: Cross multiply
    236.51x = 353.86 × 235.91
  4. Step 4: Simplify right side
    236.51x = 83,476.75
  5. Step 5: Solve for x
    x = 83,476.75/236.51
  6. Step 6: Final answer
    x = 352.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.