Finding the Fourth Proportional to 370.99, 511.93 and 205.17
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Solution
The fourth proportional to 370.99, 511.93 and 205.17 is: 283.11
Step by Step Solution
- Step 1: Write the proportion equation
370.99 : 511.93 = 205.17 : x - Step 2: Convert to fraction form
370.99/511.93 = 205.17/x - Step 3: Cross multiply
370.99x = 511.93 × 205.17 - Step 4: Simplify right side
370.99x = 105,032.68 - Step 5: Solve for x
x = 105,032.68/370.99 - Step 6: Final answer
x = 283.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.