Finding the Fourth Proportional to 341.28, 511.53 and 145.99
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Solution
The fourth proportional to 341.28, 511.53 and 145.99 is: 218.82
Step by Step Solution
- Step 1: Write the proportion equation
341.28 : 511.53 = 145.99 : x - Step 2: Convert to fraction form
341.28/511.53 = 145.99/x - Step 3: Cross multiply
341.28x = 511.53 × 145.99 - Step 4: Simplify right side
341.28x = 74,678.26 - Step 5: Solve for x
x = 74,678.26/341.28 - Step 6: Final answer
x = 218.82
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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.