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Finding the Fourth Proportional to 314.11, 471.56 and 177.27

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Solution

The fourth proportional to 314.11, 471.56 and 177.27 is: 266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.11 : 471.56 = 177.27 : x
  2. Step 2: Convert to fraction form
    314.11/471.56 = 177.27/x
  3. Step 3: Cross multiply
    314.11x = 471.56 × 177.27
  4. Step 4: Simplify right side
    314.11x = 83,593.44
  5. Step 5: Solve for x
    x = 83,593.44/314.11
  6. Step 6: Final answer
    x = 266.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.