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Finding the Fourth Proportional to 134.77, 200.37 and 129.30

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Solution

The fourth proportional to 134.77, 200.37 and 129.30 is: 192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.77 : 200.37 = 129.30 : x
  2. Step 2: Convert to fraction form
    134.77/200.37 = 129.30/x
  3. Step 3: Cross multiply
    134.77x = 200.37 × 129.30
  4. Step 4: Simplify right side
    134.77x = 25,907.84
  5. Step 5: Solve for x
    x = 25,907.84/134.77
  6. Step 6: Final answer
    x = 192.24

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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.