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Finding the Fourth Proportional to 317.22, 437.75 and 184.42

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Solution

The fourth proportional to 317.22, 437.75 and 184.42 is: 254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.22 : 437.75 = 184.42 : x
  2. Step 2: Convert to fraction form
    317.22/437.75 = 184.42/x
  3. Step 3: Cross multiply
    317.22x = 437.75 × 184.42
  4. Step 4: Simplify right side
    317.22x = 80,730.17
  5. Step 5: Solve for x
    x = 80,730.17/317.22
  6. Step 6: Final answer
    x = 254.49

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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.