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Finding the Fourth Proportional to 845.07, 1,262.37 and 650.00

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Solution

The fourth proportional to 845.07, 1,262.37 and 650.00 is: 970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.07 : 1,262.37 = 650.00 : x
  2. Step 2: Convert to fraction form
    845.07/1,262.37 = 650.00/x
  3. Step 3: Cross multiply
    845.07x = 1,262.37 × 650.00
  4. Step 4: Simplify right side
    845.07x = 820,534.19
  5. Step 5: Solve for x
    x = 820,534.19/845.07
  6. Step 6: Final answer
    x = 970.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.