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Finding the Fourth Proportional to 682.02, 941.52 and 443.04

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Solution

The fourth proportional to 682.02, 941.52 and 443.04 is: 611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.02 : 941.52 = 443.04 : x
  2. Step 2: Convert to fraction form
    682.02/941.52 = 443.04/x
  3. Step 3: Cross multiply
    682.02x = 941.52 × 443.04
  4. Step 4: Simplify right side
    682.02x = 417,131.02
  5. Step 5: Solve for x
    x = 417,131.02/682.02
  6. Step 6: Final answer
    x = 611.61

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1.5x scale

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.