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Finding the Fourth Proportional to 552.98, 762.93 and 319.94

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Solution

The fourth proportional to 552.98, 762.93 and 319.94 is: 441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.98 : 762.93 = 319.94 : x
  2. Step 2: Convert to fraction form
    552.98/762.93 = 319.94/x
  3. Step 3: Cross multiply
    552.98x = 762.93 × 319.94
  4. Step 4: Simplify right side
    552.98x = 244,091.82
  5. Step 5: Solve for x
    x = 244,091.82/552.98
  6. Step 6: Final answer
    x = 441.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.