Finding the Fourth Proportional to 364.16, 545.90 and 132.99
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Solution
The fourth proportional to 364.16, 545.90 and 132.99 is: 199.36
Step by Step Solution
- Step 1: Write the proportion equation
364.16 : 545.90 = 132.99 : x - Step 2: Convert to fraction form
364.16/545.90 = 132.99/x - Step 3: Cross multiply
364.16x = 545.90 × 132.99 - Step 4: Simplify right side
364.16x = 72,599.24 - Step 5: Solve for x
x = 72,599.24/364.16 - Step 6: Final answer
x = 199.36
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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.