Finding the Fourth Proportional to 147.35, 221.05 and 44.63
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Solution
The fourth proportional to 147.35, 221.05 and 44.63 is: 66.95
Step by Step Solution
- Step 1: Write the proportion equation
147.35 : 221.05 = 44.63 : x - Step 2: Convert to fraction form
147.35/221.05 = 44.63/x - Step 3: Cross multiply
147.35x = 221.05 × 44.63 - Step 4: Simplify right side
147.35x = 9,864.13 - Step 5: Solve for x
x = 9,864.13/147.35 - Step 6: Final answer
x = 66.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.