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Finding the Fourth Proportional to 444.98, 612.73 and 351.43

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Solution

The fourth proportional to 444.98, 612.73 and 351.43 is: 483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.98 : 612.73 = 351.43 : x
  2. Step 2: Convert to fraction form
    444.98/612.73 = 351.43/x
  3. Step 3: Cross multiply
    444.98x = 612.73 × 351.43
  4. Step 4: Simplify right side
    444.98x = 215,330.61
  5. Step 5: Solve for x
    x = 215,330.61/444.98
  6. Step 6: Final answer
    x = 483.91

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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.