Finding the Fourth Proportional to 340.61, 511.00 and 135.18
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Solution
The fourth proportional to 340.61, 511.00 and 135.18 is: 202.80
Step by Step Solution
- Step 1: Write the proportion equation
340.61 : 511.00 = 135.18 : x - Step 2: Convert to fraction form
340.61/511.00 = 135.18/x - Step 3: Cross multiply
340.61x = 511.00 × 135.18 - Step 4: Simplify right side
340.61x = 69,077.40 - Step 5: Solve for x
x = 69,077.40/340.61 - Step 6: Final answer
x = 202.80
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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.