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Finding the Fourth Proportional to 453.67, 626.87 and 335.48

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Solution

The fourth proportional to 453.67, 626.87 and 335.48 is: 463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.67 : 626.87 = 335.48 : x
  2. Step 2: Convert to fraction form
    453.67/626.87 = 335.48/x
  3. Step 3: Cross multiply
    453.67x = 626.87 × 335.48
  4. Step 4: Simplify right side
    453.67x = 210,300.05
  5. Step 5: Solve for x
    x = 210,300.05/453.67
  6. Step 6: Final answer
    x = 463.56

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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.