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Finding the Fourth Proportional to 416.36, 625.02 and 352.17

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Solution

The fourth proportional to 416.36, 625.02 and 352.17 is: 528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.36 : 625.02 = 352.17 : x
  2. Step 2: Convert to fraction form
    416.36/625.02 = 352.17/x
  3. Step 3: Cross multiply
    416.36x = 625.02 × 352.17
  4. Step 4: Simplify right side
    416.36x = 220,111.97
  5. Step 5: Solve for x
    x = 220,111.97/416.36
  6. Step 6: Final answer
    x = 528.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.