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Finding the Fourth Proportional to 448.37, 671.12 and 303.29

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Solution

The fourth proportional to 448.37, 671.12 and 303.29 is: 453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.37 : 671.12 = 303.29 : x
  2. Step 2: Convert to fraction form
    448.37/671.12 = 303.29/x
  3. Step 3: Cross multiply
    448.37x = 671.12 × 303.29
  4. Step 4: Simplify right side
    448.37x = 203,542.47
  5. Step 5: Solve for x
    x = 203,542.47/448.37
  6. Step 6: Final answer
    x = 453.96

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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.