Finding the Fourth Proportional to 343.02, 513 and 306.68
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Solution
The fourth proportional to 343.02, 513 and 306.68 is: 458.65
Step by Step Solution
- Step 1: Write the proportion equation
343.02 : 513 = 306.68 : x - Step 2: Convert to fraction form
343.02/513 = 306.68/x - Step 3: Cross multiply
343.02x = 513 × 306.68 - Step 4: Simplify right side
343.02x = 157,326.84 - Step 5: Solve for x
x = 157,326.84/343.02 - Step 6: Final answer
x = 458.65
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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.