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Finding the Fourth Proportional to 416.88, 625.64 and 336.12

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Solution

The fourth proportional to 416.88, 625.64 and 336.12 is: 504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.88 : 625.64 = 336.12 : x
  2. Step 2: Convert to fraction form
    416.88/625.64 = 336.12/x
  3. Step 3: Cross multiply
    416.88x = 625.64 × 336.12
  4. Step 4: Simplify right side
    416.88x = 210,290.12
  5. Step 5: Solve for x
    x = 210,290.12/416.88
  6. Step 6: Final answer
    x = 504.44

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Double scale
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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.