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Finding the Fourth Proportional to 416.30, 626.93 and 362.84

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Solution

The fourth proportional to 416.30, 626.93 and 362.84 is: 546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.30 : 626.93 = 362.84 : x
  2. Step 2: Convert to fraction form
    416.30/626.93 = 362.84/x
  3. Step 3: Cross multiply
    416.30x = 626.93 × 362.84
  4. Step 4: Simplify right side
    416.30x = 227,470.33
  5. Step 5: Solve for x
    x = 227,470.33/416.30
  6. Step 6: Final answer
    x = 546.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.