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Finding the Fourth Proportional to 448.08, 617.38 and 335.58

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Solution

The fourth proportional to 448.08, 617.38 and 335.58 is: 462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.08 : 617.38 = 335.58 : x
  2. Step 2: Convert to fraction form
    448.08/617.38 = 335.58/x
  3. Step 3: Cross multiply
    448.08x = 617.38 × 335.58
  4. Step 4: Simplify right side
    448.08x = 207,180.38
  5. Step 5: Solve for x
    x = 207,180.38/448.08
  6. Step 6: Final answer
    x = 462.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.