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Finding the Fourth Proportional to 350.24, 483.38 and 210.39

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Solution

The fourth proportional to 350.24, 483.38 and 210.39 is: 290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.24 : 483.38 = 210.39 : x
  2. Step 2: Convert to fraction form
    350.24/483.38 = 210.39/x
  3. Step 3: Cross multiply
    350.24x = 483.38 × 210.39
  4. Step 4: Simplify right side
    350.24x = 101,698.32
  5. Step 5: Solve for x
    x = 101,698.32/350.24
  6. Step 6: Final answer
    x = 290.37

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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.