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Finding the Fourth Proportional to 793.73, 1,190.64 and 245.99

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Solution

The fourth proportional to 793.73, 1,190.64 and 245.99 is: 369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.73 : 1,190.64 = 245.99 : x
  2. Step 2: Convert to fraction form
    793.73/1,190.64 = 245.99/x
  3. Step 3: Cross multiply
    793.73x = 1,190.64 × 245.99
  4. Step 4: Simplify right side
    793.73x = 292,885.53
  5. Step 5: Solve for x
    x = 292,885.53/793.73
  6. Step 6: Final answer
    x = 369.00

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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.