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Finding the Fourth Proportional to 446.10, 615.63 and 249.63

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Solution

The fourth proportional to 446.10, 615.63 and 249.63 is: 344.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.10 : 615.63 = 249.63 : x
  2. Step 2: Convert to fraction form
    446.10/615.63 = 249.63/x
  3. Step 3: Cross multiply
    446.10x = 615.63 × 249.63
  4. Step 4: Simplify right side
    446.10x = 153,679.72
  5. Step 5: Solve for x
    x = 153,679.72/446.10
  6. Step 6: Final answer
    x = 344.50

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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.