Finding the Fourth Proportional to 374.68, 516.99 and 208.88
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Solution
The fourth proportional to 374.68, 516.99 and 208.88 is: 288.21
Step by Step Solution
- Step 1: Write the proportion equation
374.68 : 516.99 = 208.88 : x - Step 2: Convert to fraction form
374.68/516.99 = 208.88/x - Step 3: Cross multiply
374.68x = 516.99 × 208.88 - Step 4: Simplify right side
374.68x = 107,985.24 - Step 5: Solve for x
x = 107,985.24/374.68 - Step 6: Final answer
x = 288.21
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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.