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Finding the Fourth Proportional to 550.51, 825.52 and 276.55

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Solution

The fourth proportional to 550.51, 825.52 and 276.55 is: 414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.51 : 825.52 = 276.55 : x
  2. Step 2: Convert to fraction form
    550.51/825.52 = 276.55/x
  3. Step 3: Cross multiply
    550.51x = 825.52 × 276.55
  4. Step 4: Simplify right side
    550.51x = 228,292.05
  5. Step 5: Solve for x
    x = 228,292.05/550.51
  6. Step 6: Final answer
    x = 414.70

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Double scale
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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.