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Finding the Fourth Proportional to 447, 617.08 and 336.52

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Solution

The fourth proportional to 447, 617.08 and 336.52 is: 464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    447 : 617.08 = 336.52 : x
  2. Step 2: Convert to fraction form
    447/617.08 = 336.52/x
  3. Step 3: Cross multiply
    447x = 617.08 × 336.52
  4. Step 4: Simplify right side
    447x = 207,659.76
  5. Step 5: Solve for x
    x = 207,659.76/447
  6. Step 6: Final answer
    x = 464.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.