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Finding the Fourth Proportional to 650.14, 975.14 and 187.90

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Solution

The fourth proportional to 650.14, 975.14 and 187.90 is: 281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.14 : 975.14 = 187.90 : x
  2. Step 2: Convert to fraction form
    650.14/975.14 = 187.90/x
  3. Step 3: Cross multiply
    650.14x = 975.14 × 187.90
  4. Step 4: Simplify right side
    650.14x = 183,228.81
  5. Step 5: Solve for x
    x = 183,228.81/650.14
  6. Step 6: Final answer
    x = 281.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.