Finding the Fourth Proportional to 340.99, 511.26 and 135.40
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Solution
The fourth proportional to 340.99, 511.26 and 135.40 is: 203.01
Step by Step Solution
- Step 1: Write the proportion equation
340.99 : 511.26 = 135.40 : x - Step 2: Convert to fraction form
340.99/511.26 = 135.40/x - Step 3: Cross multiply
340.99x = 511.26 × 135.40 - Step 4: Simplify right side
340.99x = 69,224.60 - Step 5: Solve for x
x = 69,224.60/340.99 - Step 6: Final answer
x = 203.01
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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.