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Finding the Fourth Proportional to 950.40, 1,427.36 and 568

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Solution

The fourth proportional to 950.40, 1,427.36 and 568 is: 853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.40 : 1,427.36 = 568 : x
  2. Step 2: Convert to fraction form
    950.40/1,427.36 = 568/x
  3. Step 3: Cross multiply
    950.40x = 1,427.36 × 568
  4. Step 4: Simplify right side
    950.40x = 810,740.48
  5. Step 5: Solve for x
    x = 810,740.48/950.40
  6. Step 6: Final answer
    x = 853.05

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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.