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Finding the Fourth Proportional to 446.44, 615.72 and 341.68

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Solution

The fourth proportional to 446.44, 615.72 and 341.68 is: 471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.44 : 615.72 = 341.68 : x
  2. Step 2: Convert to fraction form
    446.44/615.72 = 341.68/x
  3. Step 3: Cross multiply
    446.44x = 615.72 × 341.68
  4. Step 4: Simplify right side
    446.44x = 210,379.21
  5. Step 5: Solve for x
    x = 210,379.21/446.44
  6. Step 6: Final answer
    x = 471.24

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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.