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Finding the Fourth Proportional to 236.94, 354.42 and 229.98

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Solution

The fourth proportional to 236.94, 354.42 and 229.98 is: 344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.94 : 354.42 = 229.98 : x
  2. Step 2: Convert to fraction form
    236.94/354.42 = 229.98/x
  3. Step 3: Cross multiply
    236.94x = 354.42 × 229.98
  4. Step 4: Simplify right side
    236.94x = 81,509.51
  5. Step 5: Solve for x
    x = 81,509.51/236.94
  6. Step 6: Final answer
    x = 344.01

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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.