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Finding the Fourth Proportional to 236.84, 355.08 and 151.52

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Solution

The fourth proportional to 236.84, 355.08 and 151.52 is: 227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.84 : 355.08 = 151.52 : x
  2. Step 2: Convert to fraction form
    236.84/355.08 = 151.52/x
  3. Step 3: Cross multiply
    236.84x = 355.08 × 151.52
  4. Step 4: Simplify right side
    236.84x = 53,801.72
  5. Step 5: Solve for x
    x = 53,801.72/236.84
  6. Step 6: Final answer
    x = 227.16

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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.