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Finding the Fourth Proportional to 546.83, 818.74 and 382.46

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Solution

The fourth proportional to 546.83, 818.74 and 382.46 is: 572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.83 : 818.74 = 382.46 : x
  2. Step 2: Convert to fraction form
    546.83/818.74 = 382.46/x
  3. Step 3: Cross multiply
    546.83x = 818.74 × 382.46
  4. Step 4: Simplify right side
    546.83x = 313,135.30
  5. Step 5: Solve for x
    x = 313,135.30/546.83
  6. Step 6: Final answer
    x = 572.64

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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.