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Finding the Fourth Proportional to 350.98, 526.55 and 168.28

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Solution

The fourth proportional to 350.98, 526.55 and 168.28 is: 252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.98 : 526.55 = 168.28 : x
  2. Step 2: Convert to fraction form
    350.98/526.55 = 168.28/x
  3. Step 3: Cross multiply
    350.98x = 526.55 × 168.28
  4. Step 4: Simplify right side
    350.98x = 88,606.62
  5. Step 5: Solve for x
    x = 88,606.62/350.98
  6. Step 6: Final answer
    x = 252.45

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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.