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Finding the Fourth Proportional to 236.33, 354.63 and 203.93

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Solution

The fourth proportional to 236.33, 354.63 and 203.93 is: 306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.33 : 354.63 = 203.93 : x
  2. Step 2: Convert to fraction form
    236.33/354.63 = 203.93/x
  3. Step 3: Cross multiply
    236.33x = 354.63 × 203.93
  4. Step 4: Simplify right side
    236.33x = 72,319.70
  5. Step 5: Solve for x
    x = 72,319.70/236.33
  6. Step 6: Final answer
    x = 306.01

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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.