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Finding the Fourth Proportional to 431.44, 594.62 and 352.25

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Solution

The fourth proportional to 431.44, 594.62 and 352.25 is: 485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.44 : 594.62 = 352.25 : x
  2. Step 2: Convert to fraction form
    431.44/594.62 = 352.25/x
  3. Step 3: Cross multiply
    431.44x = 594.62 × 352.25
  4. Step 4: Simplify right side
    431.44x = 209,453.48
  5. Step 5: Solve for x
    x = 209,453.48/431.44
  6. Step 6: Final answer
    x = 485.47

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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.