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Finding the Fourth Proportional to 1,184.90, 1,777.50 and 363.03

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Solution

The fourth proportional to 1,184.90, 1,777.50 and 363.03 is: 544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.90 : 1,777.50 = 363.03 : x
  2. Step 2: Convert to fraction form
    1,184.90/1,777.50 = 363.03/x
  3. Step 3: Cross multiply
    1,184.90x = 1,777.50 × 363.03
  4. Step 4: Simplify right side
    1,184.90x = 645,285.83
  5. Step 5: Solve for x
    x = 645,285.83/1,184.90
  6. Step 6: Final answer
    x = 544.59

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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.