Finding the Fourth Proportional to 74.06, 110.98 and 62.68
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Solution
The fourth proportional to 74.06, 110.98 and 62.68 is: 93.93
Step by Step Solution
- Step 1: Write the proportion equation
74.06 : 110.98 = 62.68 : x - Step 2: Convert to fraction form
74.06/110.98 = 62.68/x - Step 3: Cross multiply
74.06x = 110.98 × 62.68 - Step 4: Simplify right side
74.06x = 6,956.23 - Step 5: Solve for x
x = 6,956.23/74.06 - Step 6: Final answer
x = 93.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.