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Finding the Fourth Proportional to 579.22, 798.97 and 383.01

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Solution

The fourth proportional to 579.22, 798.97 and 383.01 is: 528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.22 : 798.97 = 383.01 : x
  2. Step 2: Convert to fraction form
    579.22/798.97 = 383.01/x
  3. Step 3: Cross multiply
    579.22x = 798.97 × 383.01
  4. Step 4: Simplify right side
    579.22x = 306,013.50
  5. Step 5: Solve for x
    x = 306,013.50/579.22
  6. Step 6: Final answer
    x = 528.32

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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.