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Finding the Fourth Proportional to 244.23, 336.69 and 188.88

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Solution

The fourth proportional to 244.23, 336.69 and 188.88 is: 260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.23 : 336.69 = 188.88 : x
  2. Step 2: Convert to fraction form
    244.23/336.69 = 188.88/x
  3. Step 3: Cross multiply
    244.23x = 336.69 × 188.88
  4. Step 4: Simplify right side
    244.23x = 63,594.01
  5. Step 5: Solve for x
    x = 63,594.01/244.23
  6. Step 6: Final answer
    x = 260.39

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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.