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Finding the Fourth Proportional to 550.51, 759.26 and 354.04

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Solution

The fourth proportional to 550.51, 759.26 and 354.04 is: 488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.51 : 759.26 = 354.04 : x
  2. Step 2: Convert to fraction form
    550.51/759.26 = 354.04/x
  3. Step 3: Cross multiply
    550.51x = 759.26 × 354.04
  4. Step 4: Simplify right side
    550.51x = 268,807.40
  5. Step 5: Solve for x
    x = 268,807.40/550.51
  6. Step 6: Final answer
    x = 488.29

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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.