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Finding the Fourth Proportional to 350.34, 525.15 and 196.08

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Solution

The fourth proportional to 350.34, 525.15 and 196.08 is: 293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.34 : 525.15 = 196.08 : x
  2. Step 2: Convert to fraction form
    350.34/525.15 = 196.08/x
  3. Step 3: Cross multiply
    350.34x = 525.15 × 196.08
  4. Step 4: Simplify right side
    350.34x = 102,971.41
  5. Step 5: Solve for x
    x = 102,971.41/350.34
  6. Step 6: Final answer
    x = 293.92

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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.