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Finding the Fourth Proportional to 605.02, 908.45 and 575.29

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Solution

The fourth proportional to 605.02, 908.45 and 575.29 is: 863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.02 : 908.45 = 575.29 : x
  2. Step 2: Convert to fraction form
    605.02/908.45 = 575.29/x
  3. Step 3: Cross multiply
    605.02x = 908.45 × 575.29
  4. Step 4: Simplify right side
    605.02x = 522,621.37
  5. Step 5: Solve for x
    x = 522,621.37/605.02
  6. Step 6: Final answer
    x = 863.81

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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.