Finding the Fourth Proportional to 147.18, 202.98 and 135.56
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Solution
The fourth proportional to 147.18, 202.98 and 135.56 is: 186.95
Step by Step Solution
- Step 1: Write the proportion equation
147.18 : 202.98 = 135.56 : x - Step 2: Convert to fraction form
147.18/202.98 = 135.56/x - Step 3: Cross multiply
147.18x = 202.98 × 135.56 - Step 4: Simplify right side
147.18x = 27,515.97 - Step 5: Solve for x
x = 27,515.97/147.18 - Step 6: Final answer
x = 186.95
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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.