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Finding the Fourth Proportional to 447.94, 675.84 and 444.30

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Solution

The fourth proportional to 447.94, 675.84 and 444.30 is: 670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.94 : 675.84 = 444.30 : x
  2. Step 2: Convert to fraction form
    447.94/675.84 = 444.30/x
  3. Step 3: Cross multiply
    447.94x = 675.84 × 444.30
  4. Step 4: Simplify right side
    447.94x = 300,275.71
  5. Step 5: Solve for x
    x = 300,275.71/447.94
  6. Step 6: Final answer
    x = 670.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.