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Finding the Fourth Proportional to 375.86, 563.63 and 222.10

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Solution

The fourth proportional to 375.86, 563.63 and 222.10 is: 333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.86 : 563.63 = 222.10 : x
  2. Step 2: Convert to fraction form
    375.86/563.63 = 222.10/x
  3. Step 3: Cross multiply
    375.86x = 563.63 × 222.10
  4. Step 4: Simplify right side
    375.86x = 125,182.22
  5. Step 5: Solve for x
    x = 125,182.22/375.86
  6. Step 6: Final answer
    x = 333.06

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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.