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Finding the Fourth Proportional to 351.76, 482.83 and 336.72

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Solution

The fourth proportional to 351.76, 482.83 and 336.72 is: 462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.76 : 482.83 = 336.72 : x
  2. Step 2: Convert to fraction form
    351.76/482.83 = 336.72/x
  3. Step 3: Cross multiply
    351.76x = 482.83 × 336.72
  4. Step 4: Simplify right side
    351.76x = 162,579.49
  5. Step 5: Solve for x
    x = 162,579.49/351.76
  6. Step 6: Final answer
    x = 462.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.