Finding the Fourth Proportional to 359.41, 538.99 and 115.88
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Solution
The fourth proportional to 359.41, 538.99 and 115.88 is: 173.77
Step by Step Solution
- Step 1: Write the proportion equation
359.41 : 538.99 = 115.88 : x - Step 2: Convert to fraction form
359.41/538.99 = 115.88/x - Step 3: Cross multiply
359.41x = 538.99 × 115.88 - Step 4: Simplify right side
359.41x = 62,455.18 - Step 5: Solve for x
x = 62,455.18/359.41 - Step 6: Final answer
x = 173.77
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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.