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Finding the Fourth Proportional to 236.42, 354.93 and 185.24

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Solution

The fourth proportional to 236.42, 354.93 and 185.24 is: 278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.42 : 354.93 = 185.24 : x
  2. Step 2: Convert to fraction form
    236.42/354.93 = 185.24/x
  3. Step 3: Cross multiply
    236.42x = 354.93 × 185.24
  4. Step 4: Simplify right side
    236.42x = 65,746.47
  5. Step 5: Solve for x
    x = 65,746.47/236.42
  6. Step 6: Final answer
    x = 278.09

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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.