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Finding the Fourth Proportional to 259.43, 355.80 and 246.23

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Solution

The fourth proportional to 259.43, 355.80 and 246.23 is: 337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259.43 : 355.80 = 246.23 : x
  2. Step 2: Convert to fraction form
    259.43/355.80 = 246.23/x
  3. Step 3: Cross multiply
    259.43x = 355.80 × 246.23
  4. Step 4: Simplify right side
    259.43x = 87,609.11
  5. Step 5: Solve for x
    x = 87,609.11/259.43
  6. Step 6: Final answer
    x = 337.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.