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Finding the Fourth Proportional to 416.59, 624.62 and 365.33

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Solution

The fourth proportional to 416.59, 624.62 and 365.33 is: 547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.59 : 624.62 = 365.33 : x
  2. Step 2: Convert to fraction form
    416.59/624.62 = 365.33/x
  3. Step 3: Cross multiply
    416.59x = 624.62 × 365.33
  4. Step 4: Simplify right side
    416.59x = 228,194.90
  5. Step 5: Solve for x
    x = 228,194.90/416.59
  6. Step 6: Final answer
    x = 547.77

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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.