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Finding the Fourth Proportional to 488.83, 674.82 and 332.29

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Solution

The fourth proportional to 488.83, 674.82 and 332.29 is: 458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.83 : 674.82 = 332.29 : x
  2. Step 2: Convert to fraction form
    488.83/674.82 = 332.29/x
  3. Step 3: Cross multiply
    488.83x = 674.82 × 332.29
  4. Step 4: Simplify right side
    488.83x = 224,232.56
  5. Step 5: Solve for x
    x = 224,232.56/488.83
  6. Step 6: Final answer
    x = 458.72

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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.