Finding the Fourth Proportional to 354.14, 530.93 and 161.63
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Solution
The fourth proportional to 354.14, 530.93 and 161.63 is: 242.31
Step by Step Solution
- Step 1: Write the proportion equation
354.14 : 530.93 = 161.63 : x - Step 2: Convert to fraction form
354.14/530.93 = 161.63/x - Step 3: Cross multiply
354.14x = 530.93 × 161.63 - Step 4: Simplify right side
354.14x = 85,811.97 - Step 5: Solve for x
x = 85,811.97/354.14 - Step 6: Final answer
x = 242.31
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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.