Home / 900.24-1,350.45-251.07

Finding the Fourth Proportional to 900.24, 1,350.45 and 251.07

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Solution

The fourth proportional to 900.24, 1,350.45 and 251.07 is: 376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.24 : 1,350.45 = 251.07 : x
  2. Step 2: Convert to fraction form
    900.24/1,350.45 = 251.07/x
  3. Step 3: Cross multiply
    900.24x = 1,350.45 × 251.07
  4. Step 4: Simplify right side
    900.24x = 339,057.48
  5. Step 5: Solve for x
    x = 339,057.48/900.24
  6. Step 6: Final answer
    x = 376.63

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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.