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Finding the Fourth Proportional to 481.61, 722.08 and 246.77

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Solution

The fourth proportional to 481.61, 722.08 and 246.77 is: 369.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.61 : 722.08 = 246.77 : x
  2. Step 2: Convert to fraction form
    481.61/722.08 = 246.77/x
  3. Step 3: Cross multiply
    481.61x = 722.08 × 246.77
  4. Step 4: Simplify right side
    481.61x = 178,191.84
  5. Step 5: Solve for x
    x = 178,191.84/481.61
  6. Step 6: Final answer
    x = 369.99

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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.