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Finding the Fourth Proportional to 618.56, 926.84 and 568.24

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Solution

The fourth proportional to 618.56, 926.84 and 568.24 is: 851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.56 : 926.84 = 568.24 : x
  2. Step 2: Convert to fraction form
    618.56/926.84 = 568.24/x
  3. Step 3: Cross multiply
    618.56x = 926.84 × 568.24
  4. Step 4: Simplify right side
    618.56x = 526,667.56
  5. Step 5: Solve for x
    x = 526,667.56/618.56
  6. Step 6: Final answer
    x = 851.44

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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.