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Finding the Fourth Proportional to 244.86, 340.29 and 242.34

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Solution

The fourth proportional to 244.86, 340.29 and 242.34 is: 336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.86 : 340.29 = 242.34 : x
  2. Step 2: Convert to fraction form
    244.86/340.29 = 242.34/x
  3. Step 3: Cross multiply
    244.86x = 340.29 × 242.34
  4. Step 4: Simplify right side
    244.86x = 82,465.88
  5. Step 5: Solve for x
    x = 82,465.88/244.86
  6. Step 6: Final answer
    x = 336.79

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.