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Finding the Fourth Proportional to 260.29, 390.63 and 244.36

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Solution

The fourth proportional to 260.29, 390.63 and 244.36 is: 366.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.29 : 390.63 = 244.36 : x
  2. Step 2: Convert to fraction form
    260.29/390.63 = 244.36/x
  3. Step 3: Cross multiply
    260.29x = 390.63 × 244.36
  4. Step 4: Simplify right side
    260.29x = 95,454.35
  5. Step 5: Solve for x
    x = 95,454.35/260.29
  6. Step 6: Final answer
    x = 366.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.