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Finding the Fourth Proportional to 134.48, 184.31 and 130.37

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Solution

The fourth proportional to 134.48, 184.31 and 130.37 is: 178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.48 : 184.31 = 130.37 : x
  2. Step 2: Convert to fraction form
    134.48/184.31 = 130.37/x
  3. Step 3: Cross multiply
    134.48x = 184.31 × 130.37
  4. Step 4: Simplify right side
    134.48x = 24,026.92
  5. Step 5: Solve for x
    x = 24,026.92/134.48
  6. Step 6: Final answer
    x = 178.67

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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.