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Finding the Fourth Proportional to 350.46, 522.33 and 349.92

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Solution

The fourth proportional to 350.46, 522.33 and 349.92 is: 521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.46 : 522.33 = 349.92 : x
  2. Step 2: Convert to fraction form
    350.46/522.33 = 349.92/x
  3. Step 3: Cross multiply
    350.46x = 522.33 × 349.92
  4. Step 4: Simplify right side
    350.46x = 182,773.71
  5. Step 5: Solve for x
    x = 182,773.71/350.46
  6. Step 6: Final answer
    x = 521.53

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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.