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Finding the Fourth Proportional to 416.44, 573.42 and 375.16

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Solution

The fourth proportional to 416.44, 573.42 and 375.16 is: 516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.44 : 573.42 = 375.16 : x
  2. Step 2: Convert to fraction form
    416.44/573.42 = 375.16/x
  3. Step 3: Cross multiply
    416.44x = 573.42 × 375.16
  4. Step 4: Simplify right side
    416.44x = 215,124.25
  5. Step 5: Solve for x
    x = 215,124.25/416.44
  6. Step 6: Final answer
    x = 516.58

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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.