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Finding the Fourth Proportional to 448.97, 671.42 and 367.16

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Solution

The fourth proportional to 448.97, 671.42 and 367.16 is: 549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.97 : 671.42 = 367.16 : x
  2. Step 2: Convert to fraction form
    448.97/671.42 = 367.16/x
  3. Step 3: Cross multiply
    448.97x = 671.42 × 367.16
  4. Step 4: Simplify right side
    448.97x = 246,516.13
  5. Step 5: Solve for x
    x = 246,516.13/448.97
  6. Step 6: Final answer
    x = 549.08

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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.