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Finding the Fourth Proportional to 522.29, 783.29 and 262.44

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Solution

The fourth proportional to 522.29, 783.29 and 262.44 is: 393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.29 : 783.29 = 262.44 : x
  2. Step 2: Convert to fraction form
    522.29/783.29 = 262.44/x
  3. Step 3: Cross multiply
    522.29x = 783.29 × 262.44
  4. Step 4: Simplify right side
    522.29x = 205,570.22
  5. Step 5: Solve for x
    x = 205,570.22/522.29
  6. Step 6: Final answer
    x = 393.60

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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.