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Finding the Fourth Proportional to 336.74, 464.76 and 212.50

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Solution

The fourth proportional to 336.74, 464.76 and 212.50 is: 293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.74 : 464.76 = 212.50 : x
  2. Step 2: Convert to fraction form
    336.74/464.76 = 212.50/x
  3. Step 3: Cross multiply
    336.74x = 464.76 × 212.50
  4. Step 4: Simplify right side
    336.74x = 98,761.50
  5. Step 5: Solve for x
    x = 98,761.50/336.74
  6. Step 6: Final answer
    x = 293.29

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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.