Finding the Fourth Proportional to 341.24, 511.70 and 124.70
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Solution
The fourth proportional to 341.24, 511.70 and 124.70 is: 186.99
Step by Step Solution
- Step 1: Write the proportion equation
341.24 : 511.70 = 124.70 : x - Step 2: Convert to fraction form
341.24/511.70 = 124.70/x - Step 3: Cross multiply
341.24x = 511.70 × 124.70 - Step 4: Simplify right side
341.24x = 63,808.99 - Step 5: Solve for x
x = 63,808.99/341.24 - Step 6: Final answer
x = 186.99
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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.