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Finding the Fourth Proportional to 397.71, 596.03 and 300.13

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Solution

The fourth proportional to 397.71, 596.03 and 300.13 is: 449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.71 : 596.03 = 300.13 : x
  2. Step 2: Convert to fraction form
    397.71/596.03 = 300.13/x
  3. Step 3: Cross multiply
    397.71x = 596.03 × 300.13
  4. Step 4: Simplify right side
    397.71x = 178,887.22
  5. Step 5: Solve for x
    x = 178,887.22/397.71
  6. Step 6: Final answer
    x = 449.79

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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.