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Finding the Fourth Proportional to 184.08, 253.72 and 125.76

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Solution

The fourth proportional to 184.08, 253.72 and 125.76 is: 173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.08 : 253.72 = 125.76 : x
  2. Step 2: Convert to fraction form
    184.08/253.72 = 125.76/x
  3. Step 3: Cross multiply
    184.08x = 253.72 × 125.76
  4. Step 4: Simplify right side
    184.08x = 31,907.83
  5. Step 5: Solve for x
    x = 31,907.83/184.08
  6. Step 6: Final answer
    x = 173.34

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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.