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Finding the Fourth Proportional to 435.71, 601.23 and 249.21

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Solution

The fourth proportional to 435.71, 601.23 and 249.21 is: 343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.71 : 601.23 = 249.21 : x
  2. Step 2: Convert to fraction form
    435.71/601.23 = 249.21/x
  3. Step 3: Cross multiply
    435.71x = 601.23 × 249.21
  4. Step 4: Simplify right side
    435.71x = 149,832.76
  5. Step 5: Solve for x
    x = 149,832.76/435.71
  6. Step 6: Final answer
    x = 343.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.