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Finding the Fourth Proportional to 332.82, 459.35 and 222.57

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Solution

The fourth proportional to 332.82, 459.35 and 222.57 is: 307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.82 : 459.35 = 222.57 : x
  2. Step 2: Convert to fraction form
    332.82/459.35 = 222.57/x
  3. Step 3: Cross multiply
    332.82x = 459.35 × 222.57
  4. Step 4: Simplify right side
    332.82x = 102,236.42
  5. Step 5: Solve for x
    x = 102,236.42/332.82
  6. Step 6: Final answer
    x = 307.18

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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.