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Finding the Fourth Proportional to 266.93, 368.07 and 168.56

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Solution

The fourth proportional to 266.93, 368.07 and 168.56 is: 232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.93 : 368.07 = 168.56 : x
  2. Step 2: Convert to fraction form
    266.93/368.07 = 168.56/x
  3. Step 3: Cross multiply
    266.93x = 368.07 × 168.56
  4. Step 4: Simplify right side
    266.93x = 62,041.88
  5. Step 5: Solve for x
    x = 62,041.88/266.93
  6. Step 6: Final answer
    x = 232.43

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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.