Finding the Fourth Proportional to 306.98, 423.65 and 175.99
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Solution
The fourth proportional to 306.98, 423.65 and 175.99 is: 242.88
Step by Step Solution
- Step 1: Write the proportion equation
306.98 : 423.65 = 175.99 : x - Step 2: Convert to fraction form
306.98/423.65 = 175.99/x - Step 3: Cross multiply
306.98x = 423.65 × 175.99 - Step 4: Simplify right side
306.98x = 74,558.16 - Step 5: Solve for x
x = 74,558.16/306.98 - Step 6: Final answer
x = 242.88
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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.