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Finding the Fourth Proportional to 559.68, 836.06 and 548.88

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Solution

The fourth proportional to 559.68, 836.06 and 548.88 is: 819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.68 : 836.06 = 548.88 : x
  2. Step 2: Convert to fraction form
    559.68/836.06 = 548.88/x
  3. Step 3: Cross multiply
    559.68x = 836.06 × 548.88
  4. Step 4: Simplify right side
    559.68x = 458,896.61
  5. Step 5: Solve for x
    x = 458,896.61/559.68
  6. Step 6: Final answer
    x = 819.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.