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Finding the Fourth Proportional to 634.01, 875.04 and 372.17

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Solution

The fourth proportional to 634.01, 875.04 and 372.17 is: 513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.01 : 875.04 = 372.17 : x
  2. Step 2: Convert to fraction form
    634.01/875.04 = 372.17/x
  3. Step 3: Cross multiply
    634.01x = 875.04 × 372.17
  4. Step 4: Simplify right side
    634.01x = 325,664.43
  5. Step 5: Solve for x
    x = 325,664.43/634.01
  6. Step 6: Final answer
    x = 513.66

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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.