Finding the Fourth Proportional to 343.24, 515.28 and 181.02
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Solution
The fourth proportional to 343.24, 515.28 and 181.02 is: 271.75
Step by Step Solution
- Step 1: Write the proportion equation
343.24 : 515.28 = 181.02 : x - Step 2: Convert to fraction form
343.24/515.28 = 181.02/x - Step 3: Cross multiply
343.24x = 515.28 × 181.02 - Step 4: Simplify right side
343.24x = 93,275.99 - Step 5: Solve for x
x = 93,275.99/343.24 - Step 6: Final answer
x = 271.75
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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.