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Finding the Fourth Proportional to 578.03, 795.68 and 504.22

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Solution

The fourth proportional to 578.03, 795.68 and 504.22 is: 694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    578.03 : 795.68 = 504.22 : x
  2. Step 2: Convert to fraction form
    578.03/795.68 = 504.22/x
  3. Step 3: Cross multiply
    578.03x = 795.68 × 504.22
  4. Step 4: Simplify right side
    578.03x = 401,198.13
  5. Step 5: Solve for x
    x = 401,198.13/578.03
  6. Step 6: Final answer
    x = 694.08

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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.