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Finding the Fourth Proportional to 822.93, 1,234.38 and 335.85

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Solution

The fourth proportional to 822.93, 1,234.38 and 335.85 is: 503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    822.93 : 1,234.38 = 335.85 : x
  2. Step 2: Convert to fraction form
    822.93/1,234.38 = 335.85/x
  3. Step 3: Cross multiply
    822.93x = 1,234.38 × 335.85
  4. Step 4: Simplify right side
    822.93x = 414,566.52
  5. Step 5: Solve for x
    x = 414,566.52/822.93
  6. Step 6: Final answer
    x = 503.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.