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Finding the Fourth Proportional to 266.77, 368.18 and 168.63

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Solution

The fourth proportional to 266.77, 368.18 and 168.63 is: 232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.77 : 368.18 = 168.63 : x
  2. Step 2: Convert to fraction form
    266.77/368.18 = 168.63/x
  3. Step 3: Cross multiply
    266.77x = 368.18 × 168.63
  4. Step 4: Simplify right side
    266.77x = 62,086.19
  5. Step 5: Solve for x
    x = 62,086.19/266.77
  6. Step 6: Final answer
    x = 232.73

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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.