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Finding the Fourth Proportional to 633.01, 873.63 and 371.02

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Solution

The fourth proportional to 633.01, 873.63 and 371.02 is: 512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.01 : 873.63 = 371.02 : x
  2. Step 2: Convert to fraction form
    633.01/873.63 = 371.02/x
  3. Step 3: Cross multiply
    633.01x = 873.63 × 371.02
  4. Step 4: Simplify right side
    633.01x = 324,134.20
  5. Step 5: Solve for x
    x = 324,134.20/633.01
  6. Step 6: Final answer
    x = 512.05

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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.