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Finding the Fourth Proportional to 109.37, 150.93 and 60.25

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Solution

The fourth proportional to 109.37, 150.93 and 60.25 is: 83.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.37 : 150.93 = 60.25 : x
  2. Step 2: Convert to fraction form
    109.37/150.93 = 60.25/x
  3. Step 3: Cross multiply
    109.37x = 150.93 × 60.25
  4. Step 4: Simplify right side
    109.37x = 9,093.16
  5. Step 5: Solve for x
    x = 9,093.16/109.37
  6. Step 6: Final answer
    x = 83.14

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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.