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Finding the Fourth Proportional to 341.11, 470.64 and 230.59

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Solution

The fourth proportional to 341.11, 470.64 and 230.59 is: 318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.11 : 470.64 = 230.59 : x
  2. Step 2: Convert to fraction form
    341.11/470.64 = 230.59/x
  3. Step 3: Cross multiply
    341.11x = 470.64 × 230.59
  4. Step 4: Simplify right side
    341.11x = 108,524.88
  5. Step 5: Solve for x
    x = 108,524.88/341.11
  6. Step 6: Final answer
    x = 318.15

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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.