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Finding the Fourth Proportional to 366.48, 549.10 and 244.78

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Solution

The fourth proportional to 366.48, 549.10 and 244.78 is: 366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.48 : 549.10 = 244.78 : x
  2. Step 2: Convert to fraction form
    366.48/549.10 = 244.78/x
  3. Step 3: Cross multiply
    366.48x = 549.10 × 244.78
  4. Step 4: Simplify right side
    366.48x = 134,408.70
  5. Step 5: Solve for x
    x = 134,408.70/366.48
  6. Step 6: Final answer
    x = 366.76

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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.