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Finding the Fourth Proportional to 366, 505.32 and 241.76

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Solution

The fourth proportional to 366, 505.32 and 241.76 is: 333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    366 : 505.32 = 241.76 : x
  2. Step 2: Convert to fraction form
    366/505.32 = 241.76/x
  3. Step 3: Cross multiply
    366x = 505.32 × 241.76
  4. Step 4: Simplify right side
    366x = 122,166.16
  5. Step 5: Solve for x
    x = 122,166.16/366
  6. Step 6: Final answer
    x = 333.79

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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.