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Finding the Fourth Proportional to 359.10, 495.78 and 241.23

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Solution

The fourth proportional to 359.10, 495.78 and 241.23 is: 333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.10 : 495.78 = 241.23 : x
  2. Step 2: Convert to fraction form
    359.10/495.78 = 241.23/x
  3. Step 3: Cross multiply
    359.10x = 495.78 × 241.23
  4. Step 4: Simplify right side
    359.10x = 119,597.01
  5. Step 5: Solve for x
    x = 119,597.01/359.10
  6. Step 6: Final answer
    x = 333.05

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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.