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Finding the Fourth Proportional to 341.56, 471.57 and 231.29

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Solution

The fourth proportional to 341.56, 471.57 and 231.29 is: 319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.56 : 471.57 = 231.29 : x
  2. Step 2: Convert to fraction form
    341.56/471.57 = 231.29/x
  3. Step 3: Cross multiply
    341.56x = 471.57 × 231.29
  4. Step 4: Simplify right side
    341.56x = 109,067.07
  5. Step 5: Solve for x
    x = 109,067.07/341.56
  6. Step 6: Final answer
    x = 319.33

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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.