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Finding the Fourth Proportional to 626.72, 943.76 and 546.53

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Solution

The fourth proportional to 626.72, 943.76 and 546.53 is: 823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.72 : 943.76 = 546.53 : x
  2. Step 2: Convert to fraction form
    626.72/943.76 = 546.53/x
  3. Step 3: Cross multiply
    626.72x = 943.76 × 546.53
  4. Step 4: Simplify right side
    626.72x = 515,789.80
  5. Step 5: Solve for x
    x = 515,789.80/626.72
  6. Step 6: Final answer
    x = 823.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.