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Finding the Fourth Proportional to 559.27, 833.06 and 539.20

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Solution

The fourth proportional to 559.27, 833.06 and 539.20 is: 803.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.27 : 833.06 = 539.20 : x
  2. Step 2: Convert to fraction form
    559.27/833.06 = 539.20/x
  3. Step 3: Cross multiply
    559.27x = 833.06 × 539.20
  4. Step 4: Simplify right side
    559.27x = 449,185.95
  5. Step 5: Solve for x
    x = 449,185.95/559.27
  6. Step 6: Final answer
    x = 803.16

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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.