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Finding the Fourth Proportional to 373.94, 559.59 and 323.22

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Solution

The fourth proportional to 373.94, 559.59 and 323.22 is: 483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.94 : 559.59 = 323.22 : x
  2. Step 2: Convert to fraction form
    373.94/559.59 = 323.22/x
  3. Step 3: Cross multiply
    373.94x = 559.59 × 323.22
  4. Step 4: Simplify right side
    373.94x = 180,870.68
  5. Step 5: Solve for x
    x = 180,870.68/373.94
  6. Step 6: Final answer
    x = 483.69

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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.