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Finding the Fourth Proportional to 504.22, 755.72 and 357.74

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Solution

The fourth proportional to 504.22, 755.72 and 357.74 is: 536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.22 : 755.72 = 357.74 : x
  2. Step 2: Convert to fraction form
    504.22/755.72 = 357.74/x
  3. Step 3: Cross multiply
    504.22x = 755.72 × 357.74
  4. Step 4: Simplify right side
    504.22x = 270,351.27
  5. Step 5: Solve for x
    x = 270,351.27/504.22
  6. Step 6: Final answer
    x = 536.18

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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.