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Finding the Fourth Proportional to 373.82, 514.55 and 327.08

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Solution

The fourth proportional to 373.82, 514.55 and 327.08 is: 450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.82 : 514.55 = 327.08 : x
  2. Step 2: Convert to fraction form
    373.82/514.55 = 327.08/x
  3. Step 3: Cross multiply
    373.82x = 514.55 × 327.08
  4. Step 4: Simplify right side
    373.82x = 168,299.01
  5. Step 5: Solve for x
    x = 168,299.01/373.82
  6. Step 6: Final answer
    x = 450.21

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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.