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Finding the Fourth Proportional to 926.85, 1,392.03 and 795.36

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Solution

The fourth proportional to 926.85, 1,392.03 and 795.36 is: 1,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.85 : 1,392.03 = 795.36 : x
  2. Step 2: Convert to fraction form
    926.85/1,392.03 = 795.36/x
  3. Step 3: Cross multiply
    926.85x = 1,392.03 × 795.36
  4. Step 4: Simplify right side
    926.85x = 1,107,164.98
  5. Step 5: Solve for x
    x = 1,107,164.98/926.85
  6. Step 6: Final answer
    x = 1,194.55

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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.