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Finding the Fourth Proportional to 444.92, 614 and 248.45

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Solution

The fourth proportional to 444.92, 614 and 248.45 is: 342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.92 : 614 = 248.45 : x
  2. Step 2: Convert to fraction form
    444.92/614 = 248.45/x
  3. Step 3: Cross multiply
    444.92x = 614 × 248.45
  4. Step 4: Simplify right side
    444.92x = 152,548.30
  5. Step 5: Solve for x
    x = 152,548.30/444.92
  6. Step 6: Final answer
    x = 342.87

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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.