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Finding the Fourth Proportional to 682.07, 941.30 and 383.35

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Solution

The fourth proportional to 682.07, 941.30 and 383.35 is: 529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.07 : 941.30 = 383.35 : x
  2. Step 2: Convert to fraction form
    682.07/941.30 = 383.35/x
  3. Step 3: Cross multiply
    682.07x = 941.30 × 383.35
  4. Step 4: Simplify right side
    682.07x = 360,848.44
  5. Step 5: Solve for x
    x = 360,848.44/682.07
  6. Step 6: Final answer
    x = 529.05

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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.