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Finding the Fourth Proportional to 605.99, 908.67 and 503.93

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Solution

The fourth proportional to 605.99, 908.67 and 503.93 is: 755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.99 : 908.67 = 503.93 : x
  2. Step 2: Convert to fraction form
    605.99/908.67 = 503.93/x
  3. Step 3: Cross multiply
    605.99x = 908.67 × 503.93
  4. Step 4: Simplify right side
    605.99x = 457,906.07
  5. Step 5: Solve for x
    x = 457,906.07/605.99
  6. Step 6: Final answer
    x = 755.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.