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Finding the Fourth Proportional to 504.84, 699.87 and 481.32

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Solution

The fourth proportional to 504.84, 699.87 and 481.32 is: 667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.84 : 699.87 = 481.32 : x
  2. Step 2: Convert to fraction form
    504.84/699.87 = 481.32/x
  3. Step 3: Cross multiply
    504.84x = 699.87 × 481.32
  4. Step 4: Simplify right side
    504.84x = 336,861.43
  5. Step 5: Solve for x
    x = 336,861.43/504.84
  6. Step 6: Final answer
    x = 667.26

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.