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Finding the Fourth Proportional to 451.93, 677.32 and 246

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Solution

The fourth proportional to 451.93, 677.32 and 246 is: 368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.93 : 677.32 = 246 : x
  2. Step 2: Convert to fraction form
    451.93/677.32 = 246/x
  3. Step 3: Cross multiply
    451.93x = 677.32 × 246
  4. Step 4: Simplify right side
    451.93x = 166,620.72
  5. Step 5: Solve for x
    x = 166,620.72/451.93
  6. Step 6: Final answer
    x = 368.69

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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.