Home / 550.24-824.16-485.44

Finding the Fourth Proportional to 550.24, 824.16 and 485.44

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Solution

The fourth proportional to 550.24, 824.16 and 485.44 is: 727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.24 : 824.16 = 485.44 : x
  2. Step 2: Convert to fraction form
    550.24/824.16 = 485.44/x
  3. Step 3: Cross multiply
    550.24x = 824.16 × 485.44
  4. Step 4: Simplify right side
    550.24x = 400,080.23
  5. Step 5: Solve for x
    x = 400,080.23/550.24
  6. Step 6: Final answer
    x = 727.10

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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.