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Finding the Fourth Proportional to 236.48, 354.40 and 200.48

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Solution

The fourth proportional to 236.48, 354.40 and 200.48 is: 300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.48 : 354.40 = 200.48 : x
  2. Step 2: Convert to fraction form
    236.48/354.40 = 200.48/x
  3. Step 3: Cross multiply
    236.48x = 354.40 × 200.48
  4. Step 4: Simplify right side
    236.48x = 71,050.11
  5. Step 5: Solve for x
    x = 71,050.11/236.48
  6. Step 6: Final answer
    x = 300.45

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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.