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Finding the Fourth Proportional to 444.67, 613.53 and 255.63

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Solution

The fourth proportional to 444.67, 613.53 and 255.63 is: 352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.67 : 613.53 = 255.63 : x
  2. Step 2: Convert to fraction form
    444.67/613.53 = 255.63/x
  3. Step 3: Cross multiply
    444.67x = 613.53 × 255.63
  4. Step 4: Simplify right side
    444.67x = 156,836.67
  5. Step 5: Solve for x
    x = 156,836.67/444.67
  6. Step 6: Final answer
    x = 352.71

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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.