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Finding the Fourth Proportional to 350.84, 524.42 and 247.43

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Solution

The fourth proportional to 350.84, 524.42 and 247.43 is: 369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.84 : 524.42 = 247.43 : x
  2. Step 2: Convert to fraction form
    350.84/524.42 = 247.43/x
  3. Step 3: Cross multiply
    350.84x = 524.42 × 247.43
  4. Step 4: Simplify right side
    350.84x = 129,757.24
  5. Step 5: Solve for x
    x = 129,757.24/350.84
  6. Step 6: Final answer
    x = 369.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.