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Finding the Fourth Proportional to 236.25, 352.32 and 210.03

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Solution

The fourth proportional to 236.25, 352.32 and 210.03 is: 313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.25 : 352.32 = 210.03 : x
  2. Step 2: Convert to fraction form
    236.25/352.32 = 210.03/x
  3. Step 3: Cross multiply
    236.25x = 352.32 × 210.03
  4. Step 4: Simplify right side
    236.25x = 73,997.77
  5. Step 5: Solve for x
    x = 73,997.77/236.25
  6. Step 6: Final answer
    x = 313.22

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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.