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Finding the Fourth Proportional to 300.12, 448.01 and 277.58

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Solution

The fourth proportional to 300.12, 448.01 and 277.58 is: 414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.12 : 448.01 = 277.58 : x
  2. Step 2: Convert to fraction form
    300.12/448.01 = 277.58/x
  3. Step 3: Cross multiply
    300.12x = 448.01 × 277.58
  4. Step 4: Simplify right side
    300.12x = 124,358.43
  5. Step 5: Solve for x
    x = 124,358.43/300.12
  6. Step 6: Final answer
    x = 414.36

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.