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Finding the Fourth Proportional to 91.48, 126.29 and 60.01

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Solution

The fourth proportional to 91.48, 126.29 and 60.01 is: 82.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91.48 : 126.29 = 60.01 : x
  2. Step 2: Convert to fraction form
    91.48/126.29 = 60.01/x
  3. Step 3: Cross multiply
    91.48x = 126.29 × 60.01
  4. Step 4: Simplify right side
    91.48x = 7,578.05
  5. Step 5: Solve for x
    x = 7,578.05/91.48
  6. Step 6: Final answer
    x = 82.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.