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Finding the Fourth Proportional to 350.03, 482.91 and 210.09

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Solution

The fourth proportional to 350.03, 482.91 and 210.09 is: 289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.03 : 482.91 = 210.09 : x
  2. Step 2: Convert to fraction form
    350.03/482.91 = 210.09/x
  3. Step 3: Cross multiply
    350.03x = 482.91 × 210.09
  4. Step 4: Simplify right side
    350.03x = 101,456.77
  5. Step 5: Solve for x
    x = 101,456.77/350.03
  6. Step 6: Final answer
    x = 289.85

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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.