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Finding the Fourth Proportional to 320.08, 441.46 and 246.60

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Solution

The fourth proportional to 320.08, 441.46 and 246.60 is: 340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    320.08 : 441.46 = 246.60 : x
  2. Step 2: Convert to fraction form
    320.08/441.46 = 246.60/x
  3. Step 3: Cross multiply
    320.08x = 441.46 × 246.60
  4. Step 4: Simplify right side
    320.08x = 108,864.04
  5. Step 5: Solve for x
    x = 108,864.04/320.08
  6. Step 6: Final answer
    x = 340.12

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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.