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Finding the Fourth Proportional to 400.16, 599.46 and 245.63

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Solution

The fourth proportional to 400.16, 599.46 and 245.63 is: 367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.16 : 599.46 = 245.63 : x
  2. Step 2: Convert to fraction form
    400.16/599.46 = 245.63/x
  3. Step 3: Cross multiply
    400.16x = 599.46 × 245.63
  4. Step 4: Simplify right side
    400.16x = 147,246.86
  5. Step 5: Solve for x
    x = 147,246.86/400.16
  6. Step 6: Final answer
    x = 367.97

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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.