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Finding the Fourth Proportional to 448.75, 673.11 and 370.99

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Solution

The fourth proportional to 448.75, 673.11 and 370.99 is: 556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.75 : 673.11 = 370.99 : x
  2. Step 2: Convert to fraction form
    448.75/673.11 = 370.99/x
  3. Step 3: Cross multiply
    448.75x = 673.11 × 370.99
  4. Step 4: Simplify right side
    448.75x = 249,717.08
  5. Step 5: Solve for x
    x = 249,717.08/448.75
  6. Step 6: Final answer
    x = 556.47

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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.