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Finding the Fourth Proportional to 352.41, 529.78 and 250.43

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Solution

The fourth proportional to 352.41, 529.78 and 250.43 is: 376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.41 : 529.78 = 250.43 : x
  2. Step 2: Convert to fraction form
    352.41/529.78 = 250.43/x
  3. Step 3: Cross multiply
    352.41x = 529.78 × 250.43
  4. Step 4: Simplify right side
    352.41x = 132,672.81
  5. Step 5: Solve for x
    x = 132,672.81/352.41
  6. Step 6: Final answer
    x = 376.47

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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.