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Finding the Fourth Proportional to 444.41, 611.93 and 351.12

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Solution

The fourth proportional to 444.41, 611.93 and 351.12 is: 483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.41 : 611.93 = 351.12 : x
  2. Step 2: Convert to fraction form
    444.41/611.93 = 351.12/x
  3. Step 3: Cross multiply
    444.41x = 611.93 × 351.12
  4. Step 4: Simplify right side
    444.41x = 214,859.42
  5. Step 5: Solve for x
    x = 214,859.42/444.41
  6. Step 6: Final answer
    x = 483.48

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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.