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Finding the Fourth Proportional to 848.34, 1,269 and 796.50

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Solution

The fourth proportional to 848.34, 1,269 and 796.50 is: 1,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.34 : 1,269 = 796.50 : x
  2. Step 2: Convert to fraction form
    848.34/1,269 = 796.50/x
  3. Step 3: Cross multiply
    848.34x = 1,269 × 796.50
  4. Step 4: Simplify right side
    848.34x = 1,010,758.50
  5. Step 5: Solve for x
    x = 1,010,758.50/848.34
  6. Step 6: Final answer
    x = 1,191.45

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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.