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Finding the Fourth Proportional to 336, 504.56 and 310.75

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Solution

The fourth proportional to 336, 504.56 and 310.75 is: 466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336 : 504.56 = 310.75 : x
  2. Step 2: Convert to fraction form
    336/504.56 = 310.75/x
  3. Step 3: Cross multiply
    336x = 504.56 × 310.75
  4. Step 4: Simplify right side
    336x = 156,791.54
  5. Step 5: Solve for x
    x = 156,791.54/336
  6. Step 6: Final answer
    x = 466.64

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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.