Finding the Fourth Proportional to 343.08, 513.95 and 302.99
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Solution
The fourth proportional to 343.08, 513.95 and 302.99 is: 453.88
Step by Step Solution
- Step 1: Write the proportion equation
343.08 : 513.95 = 302.99 : x - Step 2: Convert to fraction form
343.08/513.95 = 302.99/x - Step 3: Cross multiply
343.08x = 513.95 × 302.99 - Step 4: Simplify right side
343.08x = 155,717.63 - Step 5: Solve for x
x = 155,717.63/343.08 - Step 6: Final answer
x = 453.88
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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.