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Finding the Fourth Proportional to 244.69, 364.99 and 218.77

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Solution

The fourth proportional to 244.69, 364.99 and 218.77 is: 326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.69 : 364.99 = 218.77 : x
  2. Step 2: Convert to fraction form
    244.69/364.99 = 218.77/x
  3. Step 3: Cross multiply
    244.69x = 364.99 × 218.77
  4. Step 4: Simplify right side
    244.69x = 79,848.86
  5. Step 5: Solve for x
    x = 79,848.86/244.69
  6. Step 6: Final answer
    x = 326.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.