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Finding the Fourth Proportional to 906.03, 1,250.37 and 574.34

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Solution

The fourth proportional to 906.03, 1,250.37 and 574.34 is: 792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.03 : 1,250.37 = 574.34 : x
  2. Step 2: Convert to fraction form
    906.03/1,250.37 = 574.34/x
  3. Step 3: Cross multiply
    906.03x = 1,250.37 × 574.34
  4. Step 4: Simplify right side
    906.03x = 718,131.25
  5. Step 5: Solve for x
    x = 718,131.25/906.03
  6. Step 6: Final answer
    x = 792.61

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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.