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Finding the Fourth Proportional to 132.48, 183.33 and 131.40

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Solution

The fourth proportional to 132.48, 183.33 and 131.40 is: 181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.48 : 183.33 = 131.40 : x
  2. Step 2: Convert to fraction form
    132.48/183.33 = 131.40/x
  3. Step 3: Cross multiply
    132.48x = 183.33 × 131.40
  4. Step 4: Simplify right side
    132.48x = 24,089.56
  5. Step 5: Solve for x
    x = 24,089.56/132.48
  6. Step 6: Final answer
    x = 181.84

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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.