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Finding the Fourth Proportional to 445.62, 615.02 and 334.92

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Solution

The fourth proportional to 445.62, 615.02 and 334.92 is: 462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.62 : 615.02 = 334.92 : x
  2. Step 2: Convert to fraction form
    445.62/615.02 = 334.92/x
  3. Step 3: Cross multiply
    445.62x = 615.02 × 334.92
  4. Step 4: Simplify right side
    445.62x = 205,982.50
  5. Step 5: Solve for x
    x = 205,982.50/445.62
  6. Step 6: Final answer
    x = 462.24

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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.