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Finding the Fourth Proportional to 559.58, 772.00 and 411.89

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Solution

The fourth proportional to 559.58, 772.00 and 411.89 is: 568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.58 : 772.00 = 411.89 : x
  2. Step 2: Convert to fraction form
    559.58/772.00 = 411.89/x
  3. Step 3: Cross multiply
    559.58x = 772.00 × 411.89
  4. Step 4: Simplify right side
    559.58x = 317,974.19
  5. Step 5: Solve for x
    x = 317,974.19/559.58
  6. Step 6: Final answer
    x = 568.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.