Finding the Fourth Proportional to 340.84, 511.08 and 124.48
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Solution
The fourth proportional to 340.84, 511.08 and 124.48 is: 186.65
Step by Step Solution
- Step 1: Write the proportion equation
340.84 : 511.08 = 124.48 : x - Step 2: Convert to fraction form
340.84/511.08 = 124.48/x - Step 3: Cross multiply
340.84x = 511.08 × 124.48 - Step 4: Simplify right side
340.84x = 63,619.24 - Step 5: Solve for x
x = 63,619.24/340.84 - Step 6: Final answer
x = 186.65
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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.