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Finding the Fourth Proportional to 214.66, 322.22 and 174.56

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Solution

The fourth proportional to 214.66, 322.22 and 174.56 is: 262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.66 : 322.22 = 174.56 : x
  2. Step 2: Convert to fraction form
    214.66/322.22 = 174.56/x
  3. Step 3: Cross multiply
    214.66x = 322.22 × 174.56
  4. Step 4: Simplify right side
    214.66x = 56,246.66
  5. Step 5: Solve for x
    x = 56,246.66/214.66
  6. Step 6: Final answer
    x = 262.03

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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.