Finding the Fourth Proportional to 135.18, 202.53 and 130.17
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Solution
The fourth proportional to 135.18, 202.53 and 130.17 is: 195.02
Step by Step Solution
- Step 1: Write the proportion equation
135.18 : 202.53 = 130.17 : x - Step 2: Convert to fraction form
135.18/202.53 = 130.17/x - Step 3: Cross multiply
135.18x = 202.53 × 130.17 - Step 4: Simplify right side
135.18x = 26,363.33 - Step 5: Solve for x
x = 26,363.33/135.18 - Step 6: Final answer
x = 195.02
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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.