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Finding the Fourth Proportional to 177.96, 243.85 and 176.28

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Solution

The fourth proportional to 177.96, 243.85 and 176.28 is: 241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.96 : 243.85 = 176.28 : x
  2. Step 2: Convert to fraction form
    177.96/243.85 = 176.28/x
  3. Step 3: Cross multiply
    177.96x = 243.85 × 176.28
  4. Step 4: Simplify right side
    177.96x = 42,985.88
  5. Step 5: Solve for x
    x = 42,985.88/177.96
  6. Step 6: Final answer
    x = 241.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.