Finding the Fourth Proportional to 341.18, 511.75 and 124.75
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Solution
The fourth proportional to 341.18, 511.75 and 124.75 is: 187.12
Step by Step Solution
- Step 1: Write the proportion equation
341.18 : 511.75 = 124.75 : x - Step 2: Convert to fraction form
341.18/511.75 = 124.75/x - Step 3: Cross multiply
341.18x = 511.75 × 124.75 - Step 4: Simplify right side
341.18x = 63,840.81 - Step 5: Solve for x
x = 63,840.81/341.18 - Step 6: Final answer
x = 187.12
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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.