Finding the Fourth Proportional to 340.68, 469.99 and 200.80
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Solution
The fourth proportional to 340.68, 469.99 and 200.80 is: 277.02
Step by Step Solution
- Step 1: Write the proportion equation
340.68 : 469.99 = 200.80 : x - Step 2: Convert to fraction form
340.68/469.99 = 200.80/x - Step 3: Cross multiply
340.68x = 469.99 × 200.80 - Step 4: Simplify right side
340.68x = 94,373.99 - Step 5: Solve for x
x = 94,373.99/340.68 - Step 6: Final answer
x = 277.02
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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.