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Finding the Fourth Proportional to 682.46, 941.57 and 383.67

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Solution

The fourth proportional to 682.46, 941.57 and 383.67 is: 529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.46 : 941.57 = 383.67 : x
  2. Step 2: Convert to fraction form
    682.46/941.57 = 383.67/x
  3. Step 3: Cross multiply
    682.46x = 941.57 × 383.67
  4. Step 4: Simplify right side
    682.46x = 361,252.16
  5. Step 5: Solve for x
    x = 361,252.16/682.46
  6. Step 6: Final answer
    x = 529.34

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Double scale
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Similar ratio
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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.