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Finding the Fourth Proportional to 266.75, 368.12 and 150.34

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Solution

The fourth proportional to 266.75, 368.12 and 150.34 is: 207.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.75 : 368.12 = 150.34 : x
  2. Step 2: Convert to fraction form
    266.75/368.12 = 150.34/x
  3. Step 3: Cross multiply
    266.75x = 368.12 × 150.34
  4. Step 4: Simplify right side
    266.75x = 55,340.57
  5. Step 5: Solve for x
    x = 55,340.57/266.75
  6. Step 6: Final answer
    x = 207.46

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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.