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Finding the Fourth Proportional to 548.59, 822.84 and 183.35

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Solution

The fourth proportional to 548.59, 822.84 and 183.35 is: 275.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.59 : 822.84 = 183.35 : x
  2. Step 2: Convert to fraction form
    548.59/822.84 = 183.35/x
  3. Step 3: Cross multiply
    548.59x = 822.84 × 183.35
  4. Step 4: Simplify right side
    548.59x = 150,867.71
  5. Step 5: Solve for x
    x = 150,867.71/548.59
  6. Step 6: Final answer
    x = 275.01

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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.