Finding the Fourth Proportional to 147.08, 202.62 and 119.43
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Solution
The fourth proportional to 147.08, 202.62 and 119.43 is: 164.53
Step by Step Solution
- Step 1: Write the proportion equation
147.08 : 202.62 = 119.43 : x - Step 2: Convert to fraction form
147.08/202.62 = 119.43/x - Step 3: Cross multiply
147.08x = 202.62 × 119.43 - Step 4: Simplify right side
147.08x = 24,198.91 - Step 5: Solve for x
x = 24,198.91/147.08 - Step 6: Final answer
x = 164.53
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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.