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Finding the Fourth Proportional to 184.16, 275.84 and 155.18

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Solution

The fourth proportional to 184.16, 275.84 and 155.18 is: 232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.16 : 275.84 = 155.18 : x
  2. Step 2: Convert to fraction form
    184.16/275.84 = 155.18/x
  3. Step 3: Cross multiply
    184.16x = 275.84 × 155.18
  4. Step 4: Simplify right side
    184.16x = 42,804.85
  5. Step 5: Solve for x
    x = 42,804.85/184.16
  6. Step 6: Final answer
    x = 232.43

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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.