Finding the Fourth Proportional to 357.91, 493.91 and 226.99
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Solution
The fourth proportional to 357.91, 493.91 and 226.99 is: 313.24
Step by Step Solution
- Step 1: Write the proportion equation
357.91 : 493.91 = 226.99 : x - Step 2: Convert to fraction form
357.91/493.91 = 226.99/x - Step 3: Cross multiply
357.91x = 493.91 × 226.99 - Step 4: Simplify right side
357.91x = 112,112.63 - Step 5: Solve for x
x = 112,112.63/357.91 - Step 6: Final answer
x = 313.24
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.