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Finding the Fourth Proportional to 140.60, 192.58 and 132.30

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Solution

The fourth proportional to 140.60, 192.58 and 132.30 is: 181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.60 : 192.58 = 132.30 : x
  2. Step 2: Convert to fraction form
    140.60/192.58 = 132.30/x
  3. Step 3: Cross multiply
    140.60x = 192.58 × 132.30
  4. Step 4: Simplify right side
    140.60x = 25,478.00
  5. Step 5: Solve for x
    x = 25,478.00/140.60
  6. Step 6: Final answer
    x = 181.21

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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.