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Finding the Fourth Proportional to 546.19, 819.10 and 351.41

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Solution

The fourth proportional to 546.19, 819.10 and 351.41 is: 526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.19 : 819.10 = 351.41 : x
  2. Step 2: Convert to fraction form
    546.19/819.10 = 351.41/x
  3. Step 3: Cross multiply
    546.19x = 819.10 × 351.41
  4. Step 4: Simplify right side
    546.19x = 287,834.30
  5. Step 5: Solve for x
    x = 287,834.30/546.19
  6. Step 6: Final answer
    x = 526.98

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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.