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Finding the Fourth Proportional to 188.03, 283.23 and 171.02

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Solution

The fourth proportional to 188.03, 283.23 and 171.02 is: 257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.03 : 283.23 = 171.02 : x
  2. Step 2: Convert to fraction form
    188.03/283.23 = 171.02/x
  3. Step 3: Cross multiply
    188.03x = 283.23 × 171.02
  4. Step 4: Simplify right side
    188.03x = 48,437.99
  5. Step 5: Solve for x
    x = 48,437.99/188.03
  6. Step 6: Final answer
    x = 257.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.