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Finding the Fourth Proportional to 446.86, 669.34 and 364.83

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Solution

The fourth proportional to 446.86, 669.34 and 364.83 is: 546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.86 : 669.34 = 364.83 : x
  2. Step 2: Convert to fraction form
    446.86/669.34 = 364.83/x
  3. Step 3: Cross multiply
    446.86x = 669.34 × 364.83
  4. Step 4: Simplify right side
    446.86x = 244,195.31
  5. Step 5: Solve for x
    x = 244,195.31/446.86
  6. Step 6: Final answer
    x = 546.47

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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.