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Finding the Fourth Proportional to 184.98, 277.40 and 93.66

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Solution

The fourth proportional to 184.98, 277.40 and 93.66 is: 140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.98 : 277.40 = 93.66 : x
  2. Step 2: Convert to fraction form
    184.98/277.40 = 93.66/x
  3. Step 3: Cross multiply
    184.98x = 277.40 × 93.66
  4. Step 4: Simplify right side
    184.98x = 25,981.28
  5. Step 5: Solve for x
    x = 25,981.28/184.98
  6. Step 6: Final answer
    x = 140.45

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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.