Finding the Fourth Proportional to 97.78, 134.99 and 68.62
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Solution
The fourth proportional to 97.78, 134.99 and 68.62 is: 94.73
Step by Step Solution
- Step 1: Write the proportion equation
97.78 : 134.99 = 68.62 : x - Step 2: Convert to fraction form
97.78/134.99 = 68.62/x - Step 3: Cross multiply
97.78x = 134.99 × 68.62 - Step 4: Simplify right side
97.78x = 9,263.01 - Step 5: Solve for x
x = 9,263.01/97.78 - Step 6: Final answer
x = 94.73
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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.