Finding the Fourth Proportional to 354.23, 531.68 and 181.02
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Solution
The fourth proportional to 354.23, 531.68 and 181.02 is: 271.70
Step by Step Solution
- Step 1: Write the proportion equation
354.23 : 531.68 = 181.02 : x - Step 2: Convert to fraction form
354.23/531.68 = 181.02/x - Step 3: Cross multiply
354.23x = 531.68 × 181.02 - Step 4: Simplify right side
354.23x = 96,244.71 - Step 5: Solve for x
x = 96,244.71/354.23 - Step 6: Final answer
x = 271.70
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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.