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Finding the Fourth Proportional to 445.88, 615.06 and 363.08

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Solution

The fourth proportional to 445.88, 615.06 and 363.08 is: 500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.88 : 615.06 = 363.08 : x
  2. Step 2: Convert to fraction form
    445.88/615.06 = 363.08/x
  3. Step 3: Cross multiply
    445.88x = 615.06 × 363.08
  4. Step 4: Simplify right side
    445.88x = 223,315.98
  5. Step 5: Solve for x
    x = 223,315.98/445.88
  6. Step 6: Final answer
    x = 500.84

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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.