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Finding the Fourth Proportional to 350.40, 525.56 and 106.95

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Solution

The fourth proportional to 350.40, 525.56 and 106.95 is: 160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.40 : 525.56 = 106.95 : x
  2. Step 2: Convert to fraction form
    350.40/525.56 = 106.95/x
  3. Step 3: Cross multiply
    350.40x = 525.56 × 106.95
  4. Step 4: Simplify right side
    350.40x = 56,208.11
  5. Step 5: Solve for x
    x = 56,208.11/350.40
  6. Step 6: Final answer
    x = 160.41

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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.