Finding the Fourth Proportional to 147.18, 202.79 and 110.28
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Solution
The fourth proportional to 147.18, 202.79 and 110.28 is: 151.95
Step by Step Solution
- Step 1: Write the proportion equation
147.18 : 202.79 = 110.28 : x - Step 2: Convert to fraction form
147.18/202.79 = 110.28/x - Step 3: Cross multiply
147.18x = 202.79 × 110.28 - Step 4: Simplify right side
147.18x = 22,363.96 - Step 5: Solve for x
x = 22,363.96/147.18 - 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.