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Finding the Fourth Proportional to 589.79, 814.11 and 341.20

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Solution

The fourth proportional to 589.79, 814.11 and 341.20 is: 470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.79 : 814.11 = 341.20 : x
  2. Step 2: Convert to fraction form
    589.79/814.11 = 341.20/x
  3. Step 3: Cross multiply
    589.79x = 814.11 × 341.20
  4. Step 4: Simplify right side
    589.79x = 277,774.07
  5. Step 5: Solve for x
    x = 277,774.07/589.79
  6. Step 6: Final answer
    x = 470.97

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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.