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Finding the Fourth Proportional to 350.83, 526.50 and 259.76

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Solution

The fourth proportional to 350.83, 526.50 and 259.76 is: 389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.83 : 526.50 = 259.76 : x
  2. Step 2: Convert to fraction form
    350.83/526.50 = 259.76/x
  3. Step 3: Cross multiply
    350.83x = 526.50 × 259.76
  4. Step 4: Simplify right side
    350.83x = 136,761.99
  5. Step 5: Solve for x
    x = 136,761.99/350.83
  6. Step 6: Final answer
    x = 389.82

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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.