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Finding the Fourth Proportional to 546.60, 753.60 and 371.64

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Solution

The fourth proportional to 546.60, 753.60 and 371.64 is: 512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.60 : 753.60 = 371.64 : x
  2. Step 2: Convert to fraction form
    546.60/753.60 = 371.64/x
  3. Step 3: Cross multiply
    546.60x = 753.60 × 371.64
  4. Step 4: Simplify right side
    546.60x = 280,067.90
  5. Step 5: Solve for x
    x = 280,067.90/546.60
  6. Step 6: Final answer
    x = 512.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.