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Finding the Fourth Proportional to 605.68, 909.29 and 504.20

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Solution

The fourth proportional to 605.68, 909.29 and 504.20 is: 756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.68 : 909.29 = 504.20 : x
  2. Step 2: Convert to fraction form
    605.68/909.29 = 504.20/x
  3. Step 3: Cross multiply
    605.68x = 909.29 × 504.20
  4. Step 4: Simplify right side
    605.68x = 458,463.77
  5. Step 5: Solve for x
    x = 458,463.77/605.68
  6. Step 6: Final answer
    x = 756.94

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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.