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Finding the Fourth Proportional to 546.23, 818.30 and 527.27

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Solution

The fourth proportional to 546.23, 818.30 and 527.27 is: 789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.23 : 818.30 = 527.27 : x
  2. Step 2: Convert to fraction form
    546.23/818.30 = 527.27/x
  3. Step 3: Cross multiply
    546.23x = 818.30 × 527.27
  4. Step 4: Simplify right side
    546.23x = 431,462.27
  5. Step 5: Solve for x
    x = 431,462.27/546.23
  6. Step 6: Final answer
    x = 789.89

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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.