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Finding the Fourth Proportional to 444.52, 612.56 and 377.93

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Solution

The fourth proportional to 444.52, 612.56 and 377.93 is: 520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.52 : 612.56 = 377.93 : x
  2. Step 2: Convert to fraction form
    444.52/612.56 = 377.93/x
  3. Step 3: Cross multiply
    444.52x = 612.56 × 377.93
  4. Step 4: Simplify right side
    444.52x = 231,507.28
  5. Step 5: Solve for x
    x = 231,507.28/444.52
  6. Step 6: Final answer
    x = 520.80

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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.