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Finding the Fourth Proportional to 214.44, 321.04 and 176.37

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Solution

The fourth proportional to 214.44, 321.04 and 176.37 is: 264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.44 : 321.04 = 176.37 : x
  2. Step 2: Convert to fraction form
    214.44/321.04 = 176.37/x
  3. Step 3: Cross multiply
    214.44x = 321.04 × 176.37
  4. Step 4: Simplify right side
    214.44x = 56,621.82
  5. Step 5: Solve for x
    x = 56,621.82/214.44
  6. Step 6: Final answer
    x = 264.05

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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.