Finding the Fourth Proportional to 152.00, 209.34 and 136.52
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Solution
The fourth proportional to 152.00, 209.34 and 136.52 is: 188.02
Step by Step Solution
- Step 1: Write the proportion equation
152.00 : 209.34 = 136.52 : x - Step 2: Convert to fraction form
152.00/209.34 = 136.52/x - Step 3: Cross multiply
152.00x = 209.34 × 136.52 - Step 4: Simplify right side
152.00x = 28,578.05 - Step 5: Solve for x
x = 28,578.05/152.00 - Step 6: Final answer
x = 188.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.