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Finding the Fourth Proportional to 435.12, 599.87 and 341.49

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Solution

The fourth proportional to 435.12, 599.87 and 341.49 is: 470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.12 : 599.87 = 341.49 : x
  2. Step 2: Convert to fraction form
    435.12/599.87 = 341.49/x
  3. Step 3: Cross multiply
    435.12x = 599.87 × 341.49
  4. Step 4: Simplify right side
    435.12x = 204,849.61
  5. Step 5: Solve for x
    x = 204,849.61/435.12
  6. Step 6: Final answer
    x = 470.79

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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.