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Finding the Fourth Proportional to 277.52, 413.58 and 271.12

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Solution

The fourth proportional to 277.52, 413.58 and 271.12 is: 404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.52 : 413.58 = 271.12 : x
  2. Step 2: Convert to fraction form
    277.52/413.58 = 271.12/x
  3. Step 3: Cross multiply
    277.52x = 413.58 × 271.12
  4. Step 4: Simplify right side
    277.52x = 112,129.81
  5. Step 5: Solve for x
    x = 112,129.81/277.52
  6. Step 6: Final answer
    x = 404.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.