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Finding the Fourth Proportional to 900.44, 1,350.62 and 251.16

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Solution

The fourth proportional to 900.44, 1,350.62 and 251.16 is: 376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.44 : 1,350.62 = 251.16 : x
  2. Step 2: Convert to fraction form
    900.44/1,350.62 = 251.16/x
  3. Step 3: Cross multiply
    900.44x = 1,350.62 × 251.16
  4. Step 4: Simplify right side
    900.44x = 339,221.72
  5. Step 5: Solve for x
    x = 339,221.72/900.44
  6. Step 6: Final answer
    x = 376.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.