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Finding the Fourth Proportional to 310.33, 464.59 and 236.82

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Solution

The fourth proportional to 310.33, 464.59 and 236.82 is: 354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.33 : 464.59 = 236.82 : x
  2. Step 2: Convert to fraction form
    310.33/464.59 = 236.82/x
  3. Step 3: Cross multiply
    310.33x = 464.59 × 236.82
  4. Step 4: Simplify right side
    310.33x = 110,024.91
  5. Step 5: Solve for x
    x = 110,024.91/310.33
  6. Step 6: Final answer
    x = 354.54

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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.