Finding the Fourth Proportional to 370.79, 511.68 and 204.99
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Solution
The fourth proportional to 370.79, 511.68 and 204.99 is: 282.88
Step by Step Solution
- Step 1: Write the proportion equation
370.79 : 511.68 = 204.99 : x - Step 2: Convert to fraction form
370.79/511.68 = 204.99/x - Step 3: Cross multiply
370.79x = 511.68 × 204.99 - Step 4: Simplify right side
370.79x = 104,889.28 - Step 5: Solve for x
x = 104,889.28/370.79 - Step 6: Final answer
x = 282.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.