Finding the Fourth Proportional to 254.08, 380.99 and 180.91
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Solution
The fourth proportional to 254.08, 380.99 and 180.91 is: 271.28
Step by Step Solution
- Step 1: Write the proportion equation
254.08 : 380.99 = 180.91 : x - Step 2: Convert to fraction form
254.08/380.99 = 180.91/x - Step 3: Cross multiply
254.08x = 380.99 × 180.91 - Step 4: Simplify right side
254.08x = 68,925.14 - Step 5: Solve for x
x = 68,925.14/254.08 - Step 6: Final answer
x = 271.28
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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.