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Finding the Fourth Proportional to 599.44, 826.77 and 400.36

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Solution

The fourth proportional to 599.44, 826.77 and 400.36 is: 552.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.44 : 826.77 = 400.36 : x
  2. Step 2: Convert to fraction form
    599.44/826.77 = 400.36/x
  3. Step 3: Cross multiply
    599.44x = 826.77 × 400.36
  4. Step 4: Simplify right side
    599.44x = 331,005.64
  5. Step 5: Solve for x
    x = 331,005.64/599.44
  6. Step 6: Final answer
    x = 552.19

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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.