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Finding the Fourth Proportional to 266.75, 368.17 and 150.35

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Solution

The fourth proportional to 266.75, 368.17 and 150.35 is: 207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.75 : 368.17 = 150.35 : x
  2. Step 2: Convert to fraction form
    266.75/368.17 = 150.35/x
  3. Step 3: Cross multiply
    266.75x = 368.17 × 150.35
  4. Step 4: Simplify right side
    266.75x = 55,351.77
  5. Step 5: Solve for x
    x = 55,351.77/266.75
  6. Step 6: Final answer
    x = 207.51

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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.