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Finding the Fourth Proportional to 353.40, 529.18 and 244.05

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Solution

The fourth proportional to 353.40, 529.18 and 244.05 is: 365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.40 : 529.18 = 244.05 : x
  2. Step 2: Convert to fraction form
    353.40/529.18 = 244.05/x
  3. Step 3: Cross multiply
    353.40x = 529.18 × 244.05
  4. Step 4: Simplify right side
    353.40x = 129,145.77
  5. Step 5: Solve for x
    x = 129,145.77/353.40
  6. Step 6: Final answer
    x = 365.44

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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.