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Finding the Fourth Proportional to 599.18, 826.64 and 442.19

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Solution

The fourth proportional to 599.18, 826.64 and 442.19 is: 610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.18 : 826.64 = 442.19 : x
  2. Step 2: Convert to fraction form
    599.18/826.64 = 442.19/x
  3. Step 3: Cross multiply
    599.18x = 826.64 × 442.19
  4. Step 4: Simplify right side
    599.18x = 365,525.60
  5. Step 5: Solve for x
    x = 365,525.60/599.18
  6. Step 6: Final answer
    x = 610.04

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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.