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Finding the Fourth Proportional to 900.14, 1,350.15 and 250.85

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Solution

The fourth proportional to 900.14, 1,350.15 and 250.85 is: 376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.14 : 1,350.15 = 250.85 : x
  2. Step 2: Convert to fraction form
    900.14/1,350.15 = 250.85/x
  3. Step 3: Cross multiply
    900.14x = 1,350.15 × 250.85
  4. Step 4: Simplify right side
    900.14x = 338,678.38
  5. Step 5: Solve for x
    x = 338,678.38/900.14
  6. Step 6: Final answer
    x = 376.25

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