Finding the Fourth Proportional to 746.99, 1,120.65 and 226.99
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Solution
The fourth proportional to 746.99, 1,120.65 and 226.99 is: 340.54
Step by Step Solution
- Step 1: Write the proportion equation
746.99 : 1,120.65 = 226.99 : x - Step 2: Convert to fraction form
746.99/1,120.65 = 226.99/x - Step 3: Cross multiply
746.99x = 1,120.65 × 226.99 - Step 4: Simplify right side
746.99x = 254,376.89 - Step 5: Solve for x
x = 254,376.89/746.99 - Step 6: Final answer
x = 340.54
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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.