Finding the Fourth Proportional to 341.10, 511.73 and 135.68
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Solution
The fourth proportional to 341.10, 511.73 and 135.68 is: 203.55
Step by Step Solution
- Step 1: Write the proportion equation
341.10 : 511.73 = 135.68 : x - Step 2: Convert to fraction form
341.10/511.73 = 135.68/x - Step 3: Cross multiply
341.10x = 511.73 × 135.68 - Step 4: Simplify right side
341.10x = 69,431.53 - Step 5: Solve for x
x = 69,431.53/341.10 - Step 6: Final answer
x = 203.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.