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Finding the Fourth Proportional to 599.22, 899.78 and 576

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Solution

The fourth proportional to 599.22, 899.78 and 576 is: 864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.22 : 899.78 = 576 : x
  2. Step 2: Convert to fraction form
    599.22/899.78 = 576/x
  3. Step 3: Cross multiply
    599.22x = 899.78 × 576
  4. Step 4: Simplify right side
    599.22x = 518,270.40
  5. Step 5: Solve for x
    x = 518,270.40/599.22
  6. Step 6: Final answer
    x = 864.91

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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.