Finding the Fourth Proportional to 803.90, 1,204.93 and 340.99
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Solution
The fourth proportional to 803.90, 1,204.93 and 340.99 is: 511.09
Step by Step Solution
- Step 1: Write the proportion equation
803.90 : 1,204.93 = 340.99 : x - Step 2: Convert to fraction form
803.90/1,204.93 = 340.99/x - Step 3: Cross multiply
803.90x = 1,204.93 × 340.99 - Step 4: Simplify right side
803.90x = 410,869.08 - Step 5: Solve for x
x = 410,869.08/803.90 - Step 6: Final answer
x = 511.09
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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.