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Finding the Fourth Proportional to 447.05, 671.91 and 370.50

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Solution

The fourth proportional to 447.05, 671.91 and 370.50 is: 556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.05 : 671.91 = 370.50 : x
  2. Step 2: Convert to fraction form
    447.05/671.91 = 370.50/x
  3. Step 3: Cross multiply
    447.05x = 671.91 × 370.50
  4. Step 4: Simplify right side
    447.05x = 248,942.66
  5. Step 5: Solve for x
    x = 248,942.66/447.05
  6. Step 6: Final answer
    x = 556.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.