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Finding the Fourth Proportional to 552.44, 762.37 and 303.76

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Solution

The fourth proportional to 552.44, 762.37 and 303.76 is: 419.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.44 : 762.37 = 303.76 : x
  2. Step 2: Convert to fraction form
    552.44/762.37 = 303.76/x
  3. Step 3: Cross multiply
    552.44x = 762.37 × 303.76
  4. Step 4: Simplify right side
    552.44x = 231,577.51
  5. Step 5: Solve for x
    x = 231,577.51/552.44
  6. Step 6: Final answer
    x = 419.19

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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.