Finding the Fourth Proportional to 358.74, 537.76 and 115.10
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Solution
The fourth proportional to 358.74, 537.76 and 115.10 is: 172.54
Step by Step Solution
- Step 1: Write the proportion equation
358.74 : 537.76 = 115.10 : x - Step 2: Convert to fraction form
358.74/537.76 = 115.10/x - Step 3: Cross multiply
358.74x = 537.76 × 115.10 - Step 4: Simplify right side
358.74x = 61,897.23 - Step 5: Solve for x
x = 61,897.23/358.74 - Step 6: Final answer
x = 172.54
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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.