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Finding the Fourth Proportional to 266.84, 368.26 and 150.42

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Solution

The fourth proportional to 266.84, 368.26 and 150.42 is: 207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.84 : 368.26 = 150.42 : x
  2. Step 2: Convert to fraction form
    266.84/368.26 = 150.42/x
  3. Step 3: Cross multiply
    266.84x = 368.26 × 150.42
  4. Step 4: Simplify right side
    266.84x = 55,393.67
  5. Step 5: Solve for x
    x = 55,393.67/266.84
  6. Step 6: Final answer
    x = 207.59

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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.