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Finding the Fourth Proportional to 259.63, 356.65 and 246.47

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Solution

The fourth proportional to 259.63, 356.65 and 246.47 is: 338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259.63 : 356.65 = 246.47 : x
  2. Step 2: Convert to fraction form
    259.63/356.65 = 246.47/x
  3. Step 3: Cross multiply
    259.63x = 356.65 × 246.47
  4. Step 4: Simplify right side
    259.63x = 87,901.13
  5. Step 5: Solve for x
    x = 87,901.13/259.63
  6. Step 6: Final answer
    x = 338.57

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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.