Finding the Fourth Proportional to 147.28, 202.75 and 110.38
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Solution
The fourth proportional to 147.28, 202.75 and 110.38 is: 151.95
Step by Step Solution
- Step 1: Write the proportion equation
147.28 : 202.75 = 110.38 : x - Step 2: Convert to fraction form
147.28/202.75 = 110.38/x - Step 3: Cross multiply
147.28x = 202.75 × 110.38 - Step 4: Simplify right side
147.28x = 22,378.91 - Step 5: Solve for x
x = 22,378.91/147.28 - Step 6: Final answer
x = 151.95
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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.