Finding the Fourth Proportional to 307.26, 423.99 and 174.50
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Solution
The fourth proportional to 307.26, 423.99 and 174.50 is: 240.79
Step by Step Solution
- Step 1: Write the proportion equation
307.26 : 423.99 = 174.50 : x - Step 2: Convert to fraction form
307.26/423.99 = 174.50/x - Step 3: Cross multiply
307.26x = 423.99 × 174.50 - Step 4: Simplify right side
307.26x = 73,986.26 - Step 5: Solve for x
x = 73,986.26/307.26 - Step 6: Final answer
x = 240.79
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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.