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Finding the Fourth Proportional to 416.06, 573.36 and 299.42

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Solution

The fourth proportional to 416.06, 573.36 and 299.42 is: 412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.06 : 573.36 = 299.42 : x
  2. Step 2: Convert to fraction form
    416.06/573.36 = 299.42/x
  3. Step 3: Cross multiply
    416.06x = 573.36 × 299.42
  4. Step 4: Simplify right side
    416.06x = 171,675.45
  5. Step 5: Solve for x
    x = 171,675.45/416.06
  6. Step 6: Final answer
    x = 412.62

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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.