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Finding the Fourth Proportional to 552.15, 828.60 and 244.11

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Solution

The fourth proportional to 552.15, 828.60 and 244.11 is: 366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.15 : 828.60 = 244.11 : x
  2. Step 2: Convert to fraction form
    552.15/828.60 = 244.11/x
  3. Step 3: Cross multiply
    552.15x = 828.60 × 244.11
  4. Step 4: Simplify right side
    552.15x = 202,271.74
  5. Step 5: Solve for x
    x = 202,271.74/552.15
  6. Step 6: Final answer
    x = 366.33

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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.