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Finding the Fourth Proportional to 522.06, 782.60 and 192.77

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Solution

The fourth proportional to 522.06, 782.60 and 192.77 is: 288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.06 : 782.60 = 192.77 : x
  2. Step 2: Convert to fraction form
    522.06/782.60 = 192.77/x
  3. Step 3: Cross multiply
    522.06x = 782.60 × 192.77
  4. Step 4: Simplify right side
    522.06x = 150,856.93
  5. Step 5: Solve for x
    x = 150,856.93/522.06
  6. Step 6: Final answer
    x = 288.96

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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.