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Finding the Fourth Proportional to 682.26, 940.95 and 433.32

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Solution

The fourth proportional to 682.26, 940.95 and 433.32 is: 597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.26 : 940.95 = 433.32 : x
  2. Step 2: Convert to fraction form
    682.26/940.95 = 433.32/x
  3. Step 3: Cross multiply
    682.26x = 940.95 × 433.32
  4. Step 4: Simplify right side
    682.26x = 407,732.45
  5. Step 5: Solve for x
    x = 407,732.45/682.26
  6. Step 6: Final answer
    x = 597.62

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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.