Finding the Fourth Proportional to 149.64, 206.99 and 132.40
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Solution
The fourth proportional to 149.64, 206.99 and 132.40 is: 183.14
Step by Step Solution
- Step 1: Write the proportion equation
149.64 : 206.99 = 132.40 : x - Step 2: Convert to fraction form
149.64/206.99 = 132.40/x - Step 3: Cross multiply
149.64x = 206.99 × 132.40 - Step 4: Simplify right side
149.64x = 27,405.48 - Step 5: Solve for x
x = 27,405.48/149.64 - Step 6: Final answer
x = 183.14
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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.