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Finding the Fourth Proportional to 444.61, 613.53 and 248.12

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Solution

The fourth proportional to 444.61, 613.53 and 248.12 is: 342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.61 : 613.53 = 248.12 : x
  2. Step 2: Convert to fraction form
    444.61/613.53 = 248.12/x
  3. Step 3: Cross multiply
    444.61x = 613.53 × 248.12
  4. Step 4: Simplify right side
    444.61x = 152,229.06
  5. Step 5: Solve for x
    x = 152,229.06/444.61
  6. Step 6: Final answer
    x = 342.39

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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.