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Finding the Fourth Proportional to 188.46, 258.66 and 183.06

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Solution

The fourth proportional to 188.46, 258.66 and 183.06 is: 251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.46 : 258.66 = 183.06 : x
  2. Step 2: Convert to fraction form
    188.46/258.66 = 183.06/x
  3. Step 3: Cross multiply
    188.46x = 258.66 × 183.06
  4. Step 4: Simplify right side
    188.46x = 47,350.30
  5. Step 5: Solve for x
    x = 47,350.30/188.46
  6. Step 6: Final answer
    x = 251.25

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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.