Finding the Fourth Proportional to 373.79, 515.80 and 207.99
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Solution
The fourth proportional to 373.79, 515.80 and 207.99 is: 287.01
Step by Step Solution
- Step 1: Write the proportion equation
373.79 : 515.80 = 207.99 : x - Step 2: Convert to fraction form
373.79/515.80 = 207.99/x - Step 3: Cross multiply
373.79x = 515.80 × 207.99 - Step 4: Simplify right side
373.79x = 107,280.20 - Step 5: Solve for x
x = 107,280.20/373.79 - Step 6: Final answer
x = 287.01
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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.