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Finding the Fourth Proportional to 332.50, 458.65 and 201.49

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Solution

The fourth proportional to 332.50, 458.65 and 201.49 is: 277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.50 : 458.65 = 201.49 : x
  2. Step 2: Convert to fraction form
    332.50/458.65 = 201.49/x
  3. Step 3: Cross multiply
    332.50x = 458.65 × 201.49
  4. Step 4: Simplify right side
    332.50x = 92,413.39
  5. Step 5: Solve for x
    x = 92,413.39/332.50
  6. Step 6: Final answer
    x = 277.94

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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.