Finding the Fourth Proportional to 340.99, 511.17 and 135.52
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Solution
The fourth proportional to 340.99, 511.17 and 135.52 is: 203.15
Step by Step Solution
- Step 1: Write the proportion equation
340.99 : 511.17 = 135.52 : x - Step 2: Convert to fraction form
340.99/511.17 = 135.52/x - Step 3: Cross multiply
340.99x = 511.17 × 135.52 - Step 4: Simplify right side
340.99x = 69,273.76 - Step 5: Solve for x
x = 69,273.76/340.99 - Step 6: Final answer
x = 203.15
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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.