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Finding the Fourth Proportional to 350.66, 524.68 and 211.34

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Solution

The fourth proportional to 350.66, 524.68 and 211.34 is: 316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.66 : 524.68 = 211.34 : x
  2. Step 2: Convert to fraction form
    350.66/524.68 = 211.34/x
  3. Step 3: Cross multiply
    350.66x = 524.68 × 211.34
  4. Step 4: Simplify right side
    350.66x = 110,887.84
  5. Step 5: Solve for x
    x = 110,887.84/350.66
  6. Step 6: Final answer
    x = 316.22

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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.