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Finding the Fourth Proportional to 550.24, 759.63 and 437.99

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Solution

The fourth proportional to 550.24, 759.63 and 437.99 is: 604.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.24 : 759.63 = 437.99 : x
  2. Step 2: Convert to fraction form
    550.24/759.63 = 437.99/x
  3. Step 3: Cross multiply
    550.24x = 759.63 × 437.99
  4. Step 4: Simplify right side
    550.24x = 332,710.34
  5. Step 5: Solve for x
    x = 332,710.34/550.24
  6. Step 6: Final answer
    x = 604.66

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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.