Finding the Fourth Proportional to 147.01, 202.68 and 107.63
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Solution
The fourth proportional to 147.01, 202.68 and 107.63 is: 148.39
Step by Step Solution
- Step 1: Write the proportion equation
147.01 : 202.68 = 107.63 : x - Step 2: Convert to fraction form
147.01/202.68 = 107.63/x - Step 3: Cross multiply
147.01x = 202.68 × 107.63 - Step 4: Simplify right side
147.01x = 21,814.96 - Step 5: Solve for x
x = 21,814.96/147.01 - Step 6: Final answer
x = 148.39
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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.