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Finding the Fourth Proportional to 350.36, 483.06 and 239.52

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Solution

The fourth proportional to 350.36, 483.06 and 239.52 is: 330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.36 : 483.06 = 239.52 : x
  2. Step 2: Convert to fraction form
    350.36/483.06 = 239.52/x
  3. Step 3: Cross multiply
    350.36x = 483.06 × 239.52
  4. Step 4: Simplify right side
    350.36x = 115,702.53
  5. Step 5: Solve for x
    x = 115,702.53/350.36
  6. Step 6: Final answer
    x = 330.24

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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.