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Finding the Fourth Proportional to 184.86, 278.70 and 173.12

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Solution

The fourth proportional to 184.86, 278.70 and 173.12 is: 260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.86 : 278.70 = 173.12 : x
  2. Step 2: Convert to fraction form
    184.86/278.70 = 173.12/x
  3. Step 3: Cross multiply
    184.86x = 278.70 × 173.12
  4. Step 4: Simplify right side
    184.86x = 48,247.15
  5. Step 5: Solve for x
    x = 48,247.15/184.86
  6. Step 6: Final answer
    x = 260.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.