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Finding the Fourth Proportional to 576.13, 795.05 and 351.99

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Solution

The fourth proportional to 576.13, 795.05 and 351.99 is: 485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.13 : 795.05 = 351.99 : x
  2. Step 2: Convert to fraction form
    576.13/795.05 = 351.99/x
  3. Step 3: Cross multiply
    576.13x = 795.05 × 351.99
  4. Step 4: Simplify right side
    576.13x = 279,847.89
  5. Step 5: Solve for x
    x = 279,847.89/576.13
  6. Step 6: Final answer
    x = 485.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.