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Finding the Fourth Proportional to 416.86, 625.48 and 234.60

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Solution

The fourth proportional to 416.86, 625.48 and 234.60 is: 352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.86 : 625.48 = 234.60 : x
  2. Step 2: Convert to fraction form
    416.86/625.48 = 234.60/x
  3. Step 3: Cross multiply
    416.86x = 625.48 × 234.60
  4. Step 4: Simplify right side
    416.86x = 146,737.61
  5. Step 5: Solve for x
    x = 146,737.61/416.86
  6. Step 6: Final answer
    x = 352.01

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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.