Finding the Fourth Proportional to 393.08, 588.84 and 207.96
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Solution
The fourth proportional to 393.08, 588.84 and 207.96 is: 311.53
Step by Step Solution
- Step 1: Write the proportion equation
393.08 : 588.84 = 207.96 : x - Step 2: Convert to fraction form
393.08/588.84 = 207.96/x - Step 3: Cross multiply
393.08x = 588.84 × 207.96 - Step 4: Simplify right side
393.08x = 122,455.17 - Step 5: Solve for x
x = 122,455.17/393.08 - Step 6: Final answer
x = 311.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.