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Finding the Fourth Proportional to 350.02, 482.63 and 239.55

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Solution

The fourth proportional to 350.02, 482.63 and 239.55 is: 330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.02 : 482.63 = 239.55 : x
  2. Step 2: Convert to fraction form
    350.02/482.63 = 239.55/x
  3. Step 3: Cross multiply
    350.02x = 482.63 × 239.55
  4. Step 4: Simplify right side
    350.02x = 115,614.02
  5. Step 5: Solve for x
    x = 115,614.02/350.02
  6. Step 6: Final answer
    x = 330.31

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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.