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Finding the Fourth Proportional to 444.25, 663.68 and 371.35

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Solution

The fourth proportional to 444.25, 663.68 and 371.35 is: 554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.25 : 663.68 = 371.35 : x
  2. Step 2: Convert to fraction form
    444.25/663.68 = 371.35/x
  3. Step 3: Cross multiply
    444.25x = 663.68 × 371.35
  4. Step 4: Simplify right side
    444.25x = 246,457.57
  5. Step 5: Solve for x
    x = 246,457.57/444.25
  6. Step 6: Final answer
    x = 554.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.