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Finding the Fourth Proportional to 942.52, 1,300.36 and 611.36

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Solution

The fourth proportional to 942.52, 1,300.36 and 611.36 is: 843.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.52 : 1,300.36 = 611.36 : x
  2. Step 2: Convert to fraction form
    942.52/1,300.36 = 611.36/x
  3. Step 3: Cross multiply
    942.52x = 1,300.36 × 611.36
  4. Step 4: Simplify right side
    942.52x = 794,988.09
  5. Step 5: Solve for x
    x = 794,988.09/942.52
  6. Step 6: Final answer
    x = 843.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.