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Finding the Fourth Proportional to 572.97, 859.86 and 226.32

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Solution

The fourth proportional to 572.97, 859.86 and 226.32 is: 339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.97 : 859.86 = 226.32 : x
  2. Step 2: Convert to fraction form
    572.97/859.86 = 226.32/x
  3. Step 3: Cross multiply
    572.97x = 859.86 × 226.32
  4. Step 4: Simplify right side
    572.97x = 194,598.08
  5. Step 5: Solve for x
    x = 194,598.08/572.97
  6. Step 6: Final answer
    x = 339.63

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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.