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Finding the Fourth Proportional to 550.01, 759.03 and 328.94

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Solution

The fourth proportional to 550.01, 759.03 and 328.94 is: 453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.01 : 759.03 = 328.94 : x
  2. Step 2: Convert to fraction form
    550.01/759.03 = 328.94/x
  3. Step 3: Cross multiply
    550.01x = 759.03 × 328.94
  4. Step 4: Simplify right side
    550.01x = 249,675.33
  5. Step 5: Solve for x
    x = 249,675.33/550.01
  6. Step 6: Final answer
    x = 453.95

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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.