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Finding the Fourth Proportional to 184.02, 254.21 and 174.30

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Solution

The fourth proportional to 184.02, 254.21 and 174.30 is: 240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.02 : 254.21 = 174.30 : x
  2. Step 2: Convert to fraction form
    184.02/254.21 = 174.30/x
  3. Step 3: Cross multiply
    184.02x = 254.21 × 174.30
  4. Step 4: Simplify right side
    184.02x = 44,307.93
  5. Step 5: Solve for x
    x = 44,307.93/184.02
  6. Step 6: Final answer
    x = 240.78

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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.