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Finding the Fourth Proportional to 618.21, 926.77 and 233.73

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Solution

The fourth proportional to 618.21, 926.77 and 233.73 is: 350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.21 : 926.77 = 233.73 : x
  2. Step 2: Convert to fraction form
    618.21/926.77 = 233.73/x
  3. Step 3: Cross multiply
    618.21x = 926.77 × 233.73
  4. Step 4: Simplify right side
    618.21x = 216,613.95
  5. Step 5: Solve for x
    x = 216,613.95/618.21
  6. Step 6: Final answer
    x = 350.39

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1.5x scale

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.