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Finding the Fourth Proportional to 416.32, 574.45 and 241.63

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Solution

The fourth proportional to 416.32, 574.45 and 241.63 is: 333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.32 : 574.45 = 241.63 : x
  2. Step 2: Convert to fraction form
    416.32/574.45 = 241.63/x
  3. Step 3: Cross multiply
    416.32x = 574.45 × 241.63
  4. Step 4: Simplify right side
    416.32x = 138,804.35
  5. Step 5: Solve for x
    x = 138,804.35/416.32
  6. Step 6: Final answer
    x = 333.41

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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.