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Finding the Fourth Proportional to 452.56, 624.72 and 335.92

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Solution

The fourth proportional to 452.56, 624.72 and 335.92 is: 463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.56 : 624.72 = 335.92 : x
  2. Step 2: Convert to fraction form
    452.56/624.72 = 335.92/x
  3. Step 3: Cross multiply
    452.56x = 624.72 × 335.92
  4. Step 4: Simplify right side
    452.56x = 209,855.94
  5. Step 5: Solve for x
    x = 209,855.94/452.56
  6. Step 6: Final answer
    x = 463.71

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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.