Finding the Fourth Proportional to 149.99, 206.92 and 108.48
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Solution
The fourth proportional to 149.99, 206.92 and 108.48 is: 149.65
Step by Step Solution
- Step 1: Write the proportion equation
149.99 : 206.92 = 108.48 : x - Step 2: Convert to fraction form
149.99/206.92 = 108.48/x - Step 3: Cross multiply
149.99x = 206.92 × 108.48 - Step 4: Simplify right side
149.99x = 22,446.68 - Step 5: Solve for x
x = 22,446.68/149.99 - Step 6: Final answer
x = 149.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.