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Finding the Fourth Proportional to 618.00, 926.96 and 252.77

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Solution

The fourth proportional to 618.00, 926.96 and 252.77 is: 379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.00 : 926.96 = 252.77 : x
  2. Step 2: Convert to fraction form
    618.00/926.96 = 252.77/x
  3. Step 3: Cross multiply
    618.00x = 926.96 × 252.77
  4. Step 4: Simplify right side
    618.00x = 234,308.42
  5. Step 5: Solve for x
    x = 234,308.42/618.00
  6. Step 6: Final answer
    x = 379.14

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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.