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Finding the Fourth Proportional to 241.79, 333.07 and 228.56

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Solution

The fourth proportional to 241.79, 333.07 and 228.56 is: 314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.79 : 333.07 = 228.56 : x
  2. Step 2: Convert to fraction form
    241.79/333.07 = 228.56/x
  3. Step 3: Cross multiply
    241.79x = 333.07 × 228.56
  4. Step 4: Simplify right side
    241.79x = 76,126.74
  5. Step 5: Solve for x
    x = 76,126.74/241.79
  6. Step 6: Final answer
    x = 314.84

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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.