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Finding the Fourth Proportional to 559.00, 836.93 and 515.93

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Solution

The fourth proportional to 559.00, 836.93 and 515.93 is: 772.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.00 : 836.93 = 515.93 : x
  2. Step 2: Convert to fraction form
    559.00/836.93 = 515.93/x
  3. Step 3: Cross multiply
    559.00x = 836.93 × 515.93
  4. Step 4: Simplify right side
    559.00x = 431,800.68
  5. Step 5: Solve for x
    x = 431,800.68/559.00
  6. Step 6: Final answer
    x = 772.46

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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.