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Finding the Fourth Proportional to 134.34, 184.32 and 130.88

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Solution

The fourth proportional to 134.34, 184.32 and 130.88 is: 179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.34 : 184.32 = 130.88 : x
  2. Step 2: Convert to fraction form
    134.34/184.32 = 130.88/x
  3. Step 3: Cross multiply
    134.34x = 184.32 × 130.88
  4. Step 4: Simplify right side
    134.34x = 24,124.26
  5. Step 5: Solve for x
    x = 24,124.26/134.34
  6. Step 6: Final answer
    x = 179.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.