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Finding the Fourth Proportional to 546.58, 819.96 and 351.56

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Solution

The fourth proportional to 546.58, 819.96 and 351.56 is: 527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.58 : 819.96 = 351.56 : x
  2. Step 2: Convert to fraction form
    546.58/819.96 = 351.56/x
  3. Step 3: Cross multiply
    546.58x = 819.96 × 351.56
  4. Step 4: Simplify right side
    546.58x = 288,265.14
  5. Step 5: Solve for x
    x = 288,265.14/546.58
  6. Step 6: Final answer
    x = 527.40

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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.