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Finding the Fourth Proportional to 448.60, 673.26 and 327.32

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Solution

The fourth proportional to 448.60, 673.26 and 327.32 is: 491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.60 : 673.26 = 327.32 : x
  2. Step 2: Convert to fraction form
    448.60/673.26 = 327.32/x
  3. Step 3: Cross multiply
    448.60x = 673.26 × 327.32
  4. Step 4: Simplify right side
    448.60x = 220,371.46
  5. Step 5: Solve for x
    x = 220,371.46/448.60
  6. Step 6: Final answer
    x = 491.24

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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.