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Finding the Fourth Proportional to 448.11, 672.50 and 332.82

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Solution

The fourth proportional to 448.11, 672.50 and 332.82 is: 499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.11 : 672.50 = 332.82 : x
  2. Step 2: Convert to fraction form
    448.11/672.50 = 332.82/x
  3. Step 3: Cross multiply
    448.11x = 672.50 × 332.82
  4. Step 4: Simplify right side
    448.11x = 223,822.28
  5. Step 5: Solve for x
    x = 223,822.28/448.11
  6. Step 6: Final answer
    x = 499.48

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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.