Finding the Fourth Proportional to 340.79, 511.16 and 202.91
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Solution
The fourth proportional to 340.79, 511.16 and 202.91 is: 304.35
Step by Step Solution
- Step 1: Write the proportion equation
340.79 : 511.16 = 202.91 : x - Step 2: Convert to fraction form
340.79/511.16 = 202.91/x - Step 3: Cross multiply
340.79x = 511.16 × 202.91 - Step 4: Simplify right side
340.79x = 103,718.70 - Step 5: Solve for x
x = 103,718.70/340.79 - Step 6: Final answer
x = 304.35
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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.