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Finding the Fourth Proportional to 204.50, 305.32 and 174.08

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Solution

The fourth proportional to 204.50, 305.32 and 174.08 is: 259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.50 : 305.32 = 174.08 : x
  2. Step 2: Convert to fraction form
    204.50/305.32 = 174.08/x
  3. Step 3: Cross multiply
    204.50x = 305.32 × 174.08
  4. Step 4: Simplify right side
    204.50x = 53,150.11
  5. Step 5: Solve for x
    x = 53,150.11/204.50
  6. Step 6: Final answer
    x = 259.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.