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Finding the Fourth Proportional to 550.05, 758.84 and 329.01

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Solution

The fourth proportional to 550.05, 758.84 and 329.01 is: 453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.05 : 758.84 = 329.01 : x
  2. Step 2: Convert to fraction form
    550.05/758.84 = 329.01/x
  3. Step 3: Cross multiply
    550.05x = 758.84 × 329.01
  4. Step 4: Simplify right side
    550.05x = 249,662.15
  5. Step 5: Solve for x
    x = 249,662.15/550.05
  6. Step 6: Final answer
    x = 453.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.