Finding the Fourth Proportional to 354.24, 530.88 and 126.08
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Solution
The fourth proportional to 354.24, 530.88 and 126.08 is: 188.95
Step by Step Solution
- Step 1: Write the proportion equation
354.24 : 530.88 = 126.08 : x - Step 2: Convert to fraction form
354.24/530.88 = 126.08/x - Step 3: Cross multiply
354.24x = 530.88 × 126.08 - Step 4: Simplify right side
354.24x = 66,933.35 - Step 5: Solve for x
x = 66,933.35/354.24 - Step 6: Final answer
x = 188.95
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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.