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Finding the Fourth Proportional to 332.55, 459.14 and 227.82

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Solution

The fourth proportional to 332.55, 459.14 and 227.82 is: 314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.55 : 459.14 = 227.82 : x
  2. Step 2: Convert to fraction form
    332.55/459.14 = 227.82/x
  3. Step 3: Cross multiply
    332.55x = 459.14 × 227.82
  4. Step 4: Simplify right side
    332.55x = 104,600.14
  5. Step 5: Solve for x
    x = 104,600.14/332.55
  6. Step 6: Final answer
    x = 314.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.