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Finding the Fourth Proportional to 359.16, 495.63 and 240.99

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Solution

The fourth proportional to 359.16, 495.63 and 240.99 is: 332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.16 : 495.63 = 240.99 : x
  2. Step 2: Convert to fraction form
    359.16/495.63 = 240.99/x
  3. Step 3: Cross multiply
    359.16x = 495.63 × 240.99
  4. Step 4: Simplify right side
    359.16x = 119,441.87
  5. Step 5: Solve for x
    x = 119,441.87/359.16
  6. Step 6: Final answer
    x = 332.56

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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.