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Finding the Fourth Proportional to 275.62, 413.07 and 228.10

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Solution

The fourth proportional to 275.62, 413.07 and 228.10 is: 341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.62 : 413.07 = 228.10 : x
  2. Step 2: Convert to fraction form
    275.62/413.07 = 228.10/x
  3. Step 3: Cross multiply
    275.62x = 413.07 × 228.10
  4. Step 4: Simplify right side
    275.62x = 94,221.27
  5. Step 5: Solve for x
    x = 94,221.27/275.62
  6. Step 6: Final answer
    x = 341.85

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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.