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Finding the Fourth Proportional to 824.62, 1,237 and 304.60

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Solution

The fourth proportional to 824.62, 1,237 and 304.60 is: 456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    824.62 : 1,237 = 304.60 : x
  2. Step 2: Convert to fraction form
    824.62/1,237 = 304.60/x
  3. Step 3: Cross multiply
    824.62x = 1,237 × 304.60
  4. Step 4: Simplify right side
    824.62x = 376,790.20
  5. Step 5: Solve for x
    x = 376,790.20/824.62
  6. Step 6: Final answer
    x = 456.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.