Finding the Fourth Proportional to 147.96, 221.99 and 132.65
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Solution
The fourth proportional to 147.96, 221.99 and 132.65 is: 199.02
Step by Step Solution
- Step 1: Write the proportion equation
147.96 : 221.99 = 132.65 : x - Step 2: Convert to fraction form
147.96/221.99 = 132.65/x - Step 3: Cross multiply
147.96x = 221.99 × 132.65 - Step 4: Simplify right side
147.96x = 29,446.97 - Step 5: Solve for x
x = 29,446.97/147.96 - Step 6: Final answer
x = 199.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.