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Finding the Fourth Proportional to 453.70, 626.68 and 335.90

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Solution

The fourth proportional to 453.70, 626.68 and 335.90 is: 463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.70 : 626.68 = 335.90 : x
  2. Step 2: Convert to fraction form
    453.70/626.68 = 335.90/x
  3. Step 3: Cross multiply
    453.70x = 626.68 × 335.90
  4. Step 4: Simplify right side
    453.70x = 210,501.81
  5. Step 5: Solve for x
    x = 210,501.81/453.70
  6. Step 6: Final answer
    x = 463.97

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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.