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Finding the Fourth Proportional to 550.02, 759.29 and 376.28

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Solution

The fourth proportional to 550.02, 759.29 and 376.28 is: 519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.02 : 759.29 = 376.28 : x
  2. Step 2: Convert to fraction form
    550.02/759.29 = 376.28/x
  3. Step 3: Cross multiply
    550.02x = 759.29 × 376.28
  4. Step 4: Simplify right side
    550.02x = 285,699.96
  5. Step 5: Solve for x
    x = 285,699.96/550.02
  6. Step 6: Final answer
    x = 519.44

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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.