Finding the Fourth Proportional to 340.50, 510.81 and 124.03
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Solution
The fourth proportional to 340.50, 510.81 and 124.03 is: 186.07
Step by Step Solution
- Step 1: Write the proportion equation
340.50 : 510.81 = 124.03 : x - Step 2: Convert to fraction form
340.50/510.81 = 124.03/x - Step 3: Cross multiply
340.50x = 510.81 × 124.03 - Step 4: Simplify right side
340.50x = 63,355.94 - Step 5: Solve for x
x = 63,355.94/340.50 - Step 6: Final answer
x = 186.07
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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.