Finding the Fourth Proportional to 1,054.55, 1,582 and 323.96
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Solution
The fourth proportional to 1,054.55, 1,582 and 323.96 is: 485.99
Step by Step Solution
- Step 1: Write the proportion equation
1,054.55 : 1,582 = 323.96 : x - Step 2: Convert to fraction form
1,054.55/1,582 = 323.96/x - Step 3: Cross multiply
1,054.55x = 1,582 × 323.96 - Step 4: Simplify right side
1,054.55x = 512,504.72 - Step 5: Solve for x
x = 512,504.72/1,054.55 - Step 6: Final answer
x = 485.99
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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.