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Finding the Fourth Proportional to 251.80, 377.16 and 183.16

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Solution

The fourth proportional to 251.80, 377.16 and 183.16 is: 274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.80 : 377.16 = 183.16 : x
  2. Step 2: Convert to fraction form
    251.80/377.16 = 183.16/x
  3. Step 3: Cross multiply
    251.80x = 377.16 × 183.16
  4. Step 4: Simplify right side
    251.80x = 69,080.63
  5. Step 5: Solve for x
    x = 69,080.63/251.80
  6. Step 6: Final answer
    x = 274.35

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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.