Finding the Fourth Proportional to 316.19, 474.44 and 153.99
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Solution
The fourth proportional to 316.19, 474.44 and 153.99 is: 231.06
Step by Step Solution
- Step 1: Write the proportion equation
316.19 : 474.44 = 153.99 : x - Step 2: Convert to fraction form
316.19/474.44 = 153.99/x - Step 3: Cross multiply
316.19x = 474.44 × 153.99 - Step 4: Simplify right side
316.19x = 73,058.25 - Step 5: Solve for x
x = 73,058.25/316.19 - Step 6: Final answer
x = 231.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.