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Finding the Fourth Proportional to 518.26, 777.02 and 244.20

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Solution

The fourth proportional to 518.26, 777.02 and 244.20 is: 366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    518.26 : 777.02 = 244.20 : x
  2. Step 2: Convert to fraction form
    518.26/777.02 = 244.20/x
  3. Step 3: Cross multiply
    518.26x = 777.02 × 244.20
  4. Step 4: Simplify right side
    518.26x = 189,748.28
  5. Step 5: Solve for x
    x = 189,748.28/518.26
  6. Step 6: Final answer
    x = 366.13

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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.