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Finding the Fourth Proportional to 334.19, 460.68 and 240.77

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Solution

The fourth proportional to 334.19, 460.68 and 240.77 is: 331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.19 : 460.68 = 240.77 : x
  2. Step 2: Convert to fraction form
    334.19/460.68 = 240.77/x
  3. Step 3: Cross multiply
    334.19x = 460.68 × 240.77
  4. Step 4: Simplify right side
    334.19x = 110,917.92
  5. Step 5: Solve for x
    x = 110,917.92/334.19
  6. Step 6: Final answer
    x = 331.90

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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.