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Finding the Fourth Proportional to 277.48, 382.69 and 166.93

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Solution

The fourth proportional to 277.48, 382.69 and 166.93 is: 230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.48 : 382.69 = 166.93 : x
  2. Step 2: Convert to fraction form
    277.48/382.69 = 166.93/x
  3. Step 3: Cross multiply
    277.48x = 382.69 × 166.93
  4. Step 4: Simplify right side
    277.48x = 63,882.44
  5. Step 5: Solve for x
    x = 63,882.44/277.48
  6. Step 6: Final answer
    x = 230.22

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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.