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Finding the Fourth Proportional to 682.94, 941.54 and 446.42

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Solution

The fourth proportional to 682.94, 941.54 and 446.42 is: 615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.94 : 941.54 = 446.42 : x
  2. Step 2: Convert to fraction form
    682.94/941.54 = 446.42/x
  3. Step 3: Cross multiply
    682.94x = 941.54 × 446.42
  4. Step 4: Simplify right side
    682.94x = 420,315.35
  5. Step 5: Solve for x
    x = 420,315.35/682.94
  6. Step 6: Final answer
    x = 615.45

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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.