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Finding the Fourth Proportional to 444.76, 613.75 and 248.26

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Solution

The fourth proportional to 444.76, 613.75 and 248.26 is: 342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.76 : 613.75 = 248.26 : x
  2. Step 2: Convert to fraction form
    444.76/613.75 = 248.26/x
  3. Step 3: Cross multiply
    444.76x = 613.75 × 248.26
  4. Step 4: Simplify right side
    444.76x = 152,369.58
  5. Step 5: Solve for x
    x = 152,369.58/444.76
  6. Step 6: Final answer
    x = 342.59

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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.