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Finding the Fourth Proportional to 236.35, 325.50 and 190.58

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Solution

The fourth proportional to 236.35, 325.50 and 190.58 is: 262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.35 : 325.50 = 190.58 : x
  2. Step 2: Convert to fraction form
    236.35/325.50 = 190.58/x
  3. Step 3: Cross multiply
    236.35x = 325.50 × 190.58
  4. Step 4: Simplify right side
    236.35x = 62,033.79
  5. Step 5: Solve for x
    x = 62,033.79/236.35
  6. Step 6: Final answer
    x = 262.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.