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Finding the Fourth Proportional to 364.86, 547.50 and 283.86

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Solution

The fourth proportional to 364.86, 547.50 and 283.86 is: 425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.86 : 547.50 = 283.86 : x
  2. Step 2: Convert to fraction form
    364.86/547.50 = 283.86/x
  3. Step 3: Cross multiply
    364.86x = 547.50 × 283.86
  4. Step 4: Simplify right side
    364.86x = 155,413.35
  5. Step 5: Solve for x
    x = 155,413.35/364.86
  6. Step 6: Final answer
    x = 425.95

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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.