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Finding the Fourth Proportional to 444.11, 613.04 and 313.29

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Solution

The fourth proportional to 444.11, 613.04 and 313.29 is: 432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.11 : 613.04 = 313.29 : x
  2. Step 2: Convert to fraction form
    444.11/613.04 = 313.29/x
  3. Step 3: Cross multiply
    444.11x = 613.04 × 313.29
  4. Step 4: Simplify right side
    444.11x = 192,057.74
  5. Step 5: Solve for x
    x = 192,057.74/444.11
  6. Step 6: Final answer
    x = 432.46

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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.