Finding the Fourth Proportional to 149.99, 225.32 and 106.79
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Solution
The fourth proportional to 149.99, 225.32 and 106.79 is: 160.42
Step by Step Solution
- Step 1: Write the proportion equation
149.99 : 225.32 = 106.79 : x - Step 2: Convert to fraction form
149.99/225.32 = 106.79/x - Step 3: Cross multiply
149.99x = 225.32 × 106.79 - Step 4: Simplify right side
149.99x = 24,060.26 - Step 5: Solve for x
x = 24,060.26/149.99 - Step 6: Final answer
x = 160.42
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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.