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Finding the Fourth Proportional to 599.15, 826.59 and 442.16

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Solution

The fourth proportional to 599.15, 826.59 and 442.16 is: 610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.15 : 826.59 = 442.16 : x
  2. Step 2: Convert to fraction form
    599.15/826.59 = 442.16/x
  3. Step 3: Cross multiply
    599.15x = 826.59 × 442.16
  4. Step 4: Simplify right side
    599.15x = 365,478.69
  5. Step 5: Solve for x
    x = 365,478.69/599.15
  6. Step 6: Final answer
    x = 610.00

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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.