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Finding the Fourth Proportional to 504.06, 755.99 and 320.91

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Solution

The fourth proportional to 504.06, 755.99 and 320.91 is: 481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.06 : 755.99 = 320.91 : x
  2. Step 2: Convert to fraction form
    504.06/755.99 = 320.91/x
  3. Step 3: Cross multiply
    504.06x = 755.99 × 320.91
  4. Step 4: Simplify right side
    504.06x = 242,600.97
  5. Step 5: Solve for x
    x = 242,600.97/504.06
  6. Step 6: Final answer
    x = 481.30

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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.