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Finding the Fourth Proportional to 444.43, 613.31 and 247.93

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Solution

The fourth proportional to 444.43, 613.31 and 247.93 is: 342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.43 : 613.31 = 247.93 : x
  2. Step 2: Convert to fraction form
    444.43/613.31 = 247.93/x
  3. Step 3: Cross multiply
    444.43x = 613.31 × 247.93
  4. Step 4: Simplify right side
    444.43x = 152,058.57
  5. Step 5: Solve for x
    x = 152,058.57/444.43
  6. Step 6: Final answer
    x = 342.14

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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.