Finding the Fourth Proportional to 226.98, 313.19 and 133.74
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Solution
The fourth proportional to 226.98, 313.19 and 133.74 is: 184.53
Step by Step Solution
- Step 1: Write the proportion equation
226.98 : 313.19 = 133.74 : x - Step 2: Convert to fraction form
226.98/313.19 = 133.74/x - Step 3: Cross multiply
226.98x = 313.19 × 133.74 - Step 4: Simplify right side
226.98x = 41,885.36 - Step 5: Solve for x
x = 41,885.36/226.98 - Step 6: Final answer
x = 184.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.