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Finding the Fourth Proportional to 436.52, 654.78 and 334.46

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Solution

The fourth proportional to 436.52, 654.78 and 334.46 is: 501.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.52 : 654.78 = 334.46 : x
  2. Step 2: Convert to fraction form
    436.52/654.78 = 334.46/x
  3. Step 3: Cross multiply
    436.52x = 654.78 × 334.46
  4. Step 4: Simplify right side
    436.52x = 218,997.72
  5. Step 5: Solve for x
    x = 218,997.72/436.52
  6. Step 6: Final answer
    x = 501.69

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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.