Finding the Fourth Proportional to 306.94, 423.62 and 175.99
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Solution
The fourth proportional to 306.94, 423.62 and 175.99 is: 242.89
Step by Step Solution
- Step 1: Write the proportion equation
306.94 : 423.62 = 175.99 : x - Step 2: Convert to fraction form
306.94/423.62 = 175.99/x - Step 3: Cross multiply
306.94x = 423.62 × 175.99 - Step 4: Simplify right side
306.94x = 74,552.88 - Step 5: Solve for x
x = 74,552.88/306.94 - Step 6: Final answer
x = 242.89
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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.