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Finding the Fourth Proportional to 237.33, 356 and 156.69

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Solution

The fourth proportional to 237.33, 356 and 156.69 is: 235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.33 : 356 = 156.69 : x
  2. Step 2: Convert to fraction form
    237.33/356 = 156.69/x
  3. Step 3: Cross multiply
    237.33x = 356 × 156.69
  4. Step 4: Simplify right side
    237.33x = 55,781.64
  5. Step 5: Solve for x
    x = 55,781.64/237.33
  6. Step 6: Final answer
    x = 235.04

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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.