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Finding the Fourth Proportional to 1,184.82, 1,777.15 and 363.03

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Solution

The fourth proportional to 1,184.82, 1,777.15 and 363.03 is: 544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.82 : 1,777.15 = 363.03 : x
  2. Step 2: Convert to fraction form
    1,184.82/1,777.15 = 363.03/x
  3. Step 3: Cross multiply
    1,184.82x = 1,777.15 × 363.03
  4. Step 4: Simplify right side
    1,184.82x = 645,158.76
  5. Step 5: Solve for x
    x = 645,158.76/1,184.82
  6. Step 6: Final answer
    x = 544.52

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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.