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Finding the Fourth Proportional to 350.68, 526.06 and 242.20

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Solution

The fourth proportional to 350.68, 526.06 and 242.20 is: 363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.68 : 526.06 = 242.20 : x
  2. Step 2: Convert to fraction form
    350.68/526.06 = 242.20/x
  3. Step 3: Cross multiply
    350.68x = 526.06 × 242.20
  4. Step 4: Simplify right side
    350.68x = 127,411.73
  5. Step 5: Solve for x
    x = 127,411.73/350.68
  6. Step 6: Final answer
    x = 363.33

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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.