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Finding the Fourth Proportional to 435.45, 600.13 and 344.21

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Solution

The fourth proportional to 435.45, 600.13 and 344.21 is: 474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.45 : 600.13 = 344.21 : x
  2. Step 2: Convert to fraction form
    435.45/600.13 = 344.21/x
  3. Step 3: Cross multiply
    435.45x = 600.13 × 344.21
  4. Step 4: Simplify right side
    435.45x = 206,570.75
  5. Step 5: Solve for x
    x = 206,570.75/435.45
  6. Step 6: Final answer
    x = 474.38

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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.