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Finding the Fourth Proportional to 350.98, 525.94 and 196.68

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Solution

The fourth proportional to 350.98, 525.94 and 196.68 is: 294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.98 : 525.94 = 196.68 : x
  2. Step 2: Convert to fraction form
    350.98/525.94 = 196.68/x
  3. Step 3: Cross multiply
    350.98x = 525.94 × 196.68
  4. Step 4: Simplify right side
    350.98x = 103,441.51
  5. Step 5: Solve for x
    x = 103,441.51/350.98
  6. Step 6: Final answer
    x = 294.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.