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Finding the Fourth Proportional to 506.82, 699.63 and 365.13

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Solution

The fourth proportional to 506.82, 699.63 and 365.13 is: 504.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.82 : 699.63 = 365.13 : x
  2. Step 2: Convert to fraction form
    506.82/699.63 = 365.13/x
  3. Step 3: Cross multiply
    506.82x = 699.63 × 365.13
  4. Step 4: Simplify right side
    506.82x = 255,455.90
  5. Step 5: Solve for x
    x = 255,455.90/506.82
  6. Step 6: Final answer
    x = 504.04

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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.