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Finding the Fourth Proportional to 633.30, 873.63 and 371.27

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Solution

The fourth proportional to 633.30, 873.63 and 371.27 is: 512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.30 : 873.63 = 371.27 : x
  2. Step 2: Convert to fraction form
    633.30/873.63 = 371.27/x
  3. Step 3: Cross multiply
    633.30x = 873.63 × 371.27
  4. Step 4: Simplify right side
    633.30x = 324,352.61
  5. Step 5: Solve for x
    x = 324,352.61/633.30
  6. Step 6: Final answer
    x = 512.16

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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.