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Finding the Fourth Proportional to 262.36, 359.93 and 245.80

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Solution

The fourth proportional to 262.36, 359.93 and 245.80 is: 337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.36 : 359.93 = 245.80 : x
  2. Step 2: Convert to fraction form
    262.36/359.93 = 245.80/x
  3. Step 3: Cross multiply
    262.36x = 359.93 × 245.80
  4. Step 4: Simplify right side
    262.36x = 88,470.79
  5. Step 5: Solve for x
    x = 88,470.79/262.36
  6. Step 6: Final answer
    x = 337.21

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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.