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Finding the Fourth Proportional to 552.89, 763 and 304.23

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Solution

The fourth proportional to 552.89, 763 and 304.23 is: 419.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.89 : 763 = 304.23 : x
  2. Step 2: Convert to fraction form
    552.89/763 = 304.23/x
  3. Step 3: Cross multiply
    552.89x = 763 × 304.23
  4. Step 4: Simplify right side
    552.89x = 232,127.49
  5. Step 5: Solve for x
    x = 232,127.49/552.89
  6. Step 6: Final answer
    x = 419.84

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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.