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Finding the Fourth Proportional to 236.37, 354.57 and 202.35

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Solution

The fourth proportional to 236.37, 354.57 and 202.35 is: 303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.37 : 354.57 = 202.35 : x
  2. Step 2: Convert to fraction form
    236.37/354.57 = 202.35/x
  3. Step 3: Cross multiply
    236.37x = 354.57 × 202.35
  4. Step 4: Simplify right side
    236.37x = 71,747.24
  5. Step 5: Solve for x
    x = 71,747.24/236.37
  6. Step 6: Final answer
    x = 303.54

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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.