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Finding the Fourth Proportional to 184.89, 277.38 and 88.77

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Solution

The fourth proportional to 184.89, 277.38 and 88.77 is: 133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.89 : 277.38 = 88.77 : x
  2. Step 2: Convert to fraction form
    184.89/277.38 = 88.77/x
  3. Step 3: Cross multiply
    184.89x = 277.38 × 88.77
  4. Step 4: Simplify right side
    184.89x = 24,623.02
  5. Step 5: Solve for x
    x = 24,623.02/184.89
  6. Step 6: Final answer
    x = 133.18

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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.