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Finding the Fourth Proportional to 439.02, 605.79 and 341.52

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Solution

The fourth proportional to 439.02, 605.79 and 341.52 is: 471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.02 : 605.79 = 341.52 : x
  2. Step 2: Convert to fraction form
    439.02/605.79 = 341.52/x
  3. Step 3: Cross multiply
    439.02x = 605.79 × 341.52
  4. Step 4: Simplify right side
    439.02x = 206,889.40
  5. Step 5: Solve for x
    x = 206,889.40/439.02
  6. Step 6: Final answer
    x = 471.25

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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.