Finding the Fourth Proportional to 97.98, 135.08 and 94.79
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Solution
The fourth proportional to 97.98, 135.08 and 94.79 is: 130.68
Step by Step Solution
- Step 1: Write the proportion equation
97.98 : 135.08 = 94.79 : x - Step 2: Convert to fraction form
97.98/135.08 = 94.79/x - Step 3: Cross multiply
97.98x = 135.08 × 94.79 - Step 4: Simplify right side
97.98x = 12,804.81 - Step 5: Solve for x
x = 12,804.81/97.98 - Step 6: Final answer
x = 130.68
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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.