Finding the Fourth Proportional to 614.79, 922.26 and 181.95
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Solution
The fourth proportional to 614.79, 922.26 and 181.95 is: 272.95
Step by Step Solution
- Step 1: Write the proportion equation
614.79 : 922.26 = 181.95 : x - Step 2: Convert to fraction form
614.79/922.26 = 181.95/x - Step 3: Cross multiply
614.79x = 922.26 × 181.95 - Step 4: Simplify right side
614.79x = 167,805.21 - Step 5: Solve for x
x = 167,805.21/614.79 - Step 6: Final answer
x = 272.95
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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.