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Finding the Fourth Proportional to 589.78, 814.05 and 341.25

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Solution

The fourth proportional to 589.78, 814.05 and 341.25 is: 471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.78 : 814.05 = 341.25 : x
  2. Step 2: Convert to fraction form
    589.78/814.05 = 341.25/x
  3. Step 3: Cross multiply
    589.78x = 814.05 × 341.25
  4. Step 4: Simplify right side
    589.78x = 277,794.56
  5. Step 5: Solve for x
    x = 277,794.56/589.78
  6. Step 6: Final answer
    x = 471.01

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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.