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Finding the Fourth Proportional to 532.82, 799.22 and 290.88

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Solution

The fourth proportional to 532.82, 799.22 and 290.88 is: 436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.82 : 799.22 = 290.88 : x
  2. Step 2: Convert to fraction form
    532.82/799.22 = 290.88/x
  3. Step 3: Cross multiply
    532.82x = 799.22 × 290.88
  4. Step 4: Simplify right side
    532.82x = 232,473.12
  5. Step 5: Solve for x
    x = 232,473.12/532.82
  6. Step 6: Final answer
    x = 436.31

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Similar ratio
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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.