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Finding the Fourth Proportional to 415.41, 623.36 and 333.24

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Solution

The fourth proportional to 415.41, 623.36 and 333.24 is: 500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.41 : 623.36 = 333.24 : x
  2. Step 2: Convert to fraction form
    415.41/623.36 = 333.24/x
  3. Step 3: Cross multiply
    415.41x = 623.36 × 333.24
  4. Step 4: Simplify right side
    415.41x = 207,726.82
  5. Step 5: Solve for x
    x = 207,726.82/415.41
  6. Step 6: Final answer
    x = 500.05

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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.