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Finding the Fourth Proportional to 601.21, 901.81 and 327.43

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Solution

The fourth proportional to 601.21, 901.81 and 327.43 is: 491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.21 : 901.81 = 327.43 : x
  2. Step 2: Convert to fraction form
    601.21/901.81 = 327.43/x
  3. Step 3: Cross multiply
    601.21x = 901.81 × 327.43
  4. Step 4: Simplify right side
    601.21x = 295,275.14
  5. Step 5: Solve for x
    x = 295,275.14/601.21
  6. Step 6: Final answer
    x = 491.14

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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.