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Finding the Fourth Proportional to 101.16, 150.53 and 94.36

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Solution

The fourth proportional to 101.16, 150.53 and 94.36 is: 140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.16 : 150.53 = 94.36 : x
  2. Step 2: Convert to fraction form
    101.16/150.53 = 94.36/x
  3. Step 3: Cross multiply
    101.16x = 150.53 × 94.36
  4. Step 4: Simplify right side
    101.16x = 14,204.01
  5. Step 5: Solve for x
    x = 14,204.01/101.16
  6. Step 6: Final answer
    x = 140.41

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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.