Finding the Fourth Proportional to 62.42, 92.95 and 60.74
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Solution
The fourth proportional to 62.42, 92.95 and 60.74 is: 90.45
Step by Step Solution
- Step 1: Write the proportion equation
62.42 : 92.95 = 60.74 : x - Step 2: Convert to fraction form
62.42/92.95 = 60.74/x - Step 3: Cross multiply
62.42x = 92.95 × 60.74 - Step 4: Simplify right side
62.42x = 5,645.78 - Step 5: Solve for x
x = 5,645.78/62.42 - Step 6: Final answer
x = 90.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.