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Finding the Fourth Proportional to 354.01, 528.66 and 350.20

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Solution

The fourth proportional to 354.01, 528.66 and 350.20 is: 522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.01 : 528.66 = 350.20 : x
  2. Step 2: Convert to fraction form
    354.01/528.66 = 350.20/x
  3. Step 3: Cross multiply
    354.01x = 528.66 × 350.20
  4. Step 4: Simplify right side
    354.01x = 185,136.73
  5. Step 5: Solve for x
    x = 185,136.73/354.01
  6. Step 6: Final answer
    x = 522.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.