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Finding the Fourth Proportional to 236.63, 353.28 and 202.41

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Solution

The fourth proportional to 236.63, 353.28 and 202.41 is: 302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.63 : 353.28 = 202.41 : x
  2. Step 2: Convert to fraction form
    236.63/353.28 = 202.41/x
  3. Step 3: Cross multiply
    236.63x = 353.28 × 202.41
  4. Step 4: Simplify right side
    236.63x = 71,507.40
  5. Step 5: Solve for x
    x = 71,507.40/236.63
  6. Step 6: Final answer
    x = 302.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.