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Finding the Fourth Proportional to 350.98, 526.19 and 134.71

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Solution

The fourth proportional to 350.98, 526.19 and 134.71 is: 201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.98 : 526.19 = 134.71 : x
  2. Step 2: Convert to fraction form
    350.98/526.19 = 134.71/x
  3. Step 3: Cross multiply
    350.98x = 526.19 × 134.71
  4. Step 4: Simplify right side
    350.98x = 70,883.05
  5. Step 5: Solve for x
    x = 70,883.05/350.98
  6. Step 6: Final answer
    x = 201.96

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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.