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Finding the Fourth Proportional to 350.62, 524.91 and 264.31

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Solution

The fourth proportional to 350.62, 524.91 and 264.31 is: 395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.62 : 524.91 = 264.31 : x
  2. Step 2: Convert to fraction form
    350.62/524.91 = 264.31/x
  3. Step 3: Cross multiply
    350.62x = 524.91 × 264.31
  4. Step 4: Simplify right side
    350.62x = 138,738.96
  5. Step 5: Solve for x
    x = 138,738.96/350.62
  6. Step 6: Final answer
    x = 395.70

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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.