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Finding the Fourth Proportional to 350.83, 526.11 and 103.98

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Solution

The fourth proportional to 350.83, 526.11 and 103.98 is: 155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.83 : 526.11 = 103.98 : x
  2. Step 2: Convert to fraction form
    350.83/526.11 = 103.98/x
  3. Step 3: Cross multiply
    350.83x = 526.11 × 103.98
  4. Step 4: Simplify right side
    350.83x = 54,704.40
  5. Step 5: Solve for x
    x = 54,704.40/350.83
  6. Step 6: Final answer
    x = 155.93

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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.