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Finding the Fourth Proportional to 550.34, 825.48 and 367.68

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Solution

The fourth proportional to 550.34, 825.48 and 367.68 is: 551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.34 : 825.48 = 367.68 : x
  2. Step 2: Convert to fraction form
    550.34/825.48 = 367.68/x
  3. Step 3: Cross multiply
    550.34x = 825.48 × 367.68
  4. Step 4: Simplify right side
    550.34x = 303,512.49
  5. Step 5: Solve for x
    x = 303,512.49/550.34
  6. Step 6: Final answer
    x = 551.50

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Double scale
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1.5x scale

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.