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Finding the Fourth Proportional to 203.04, 303.30 and 166.50

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Solution

The fourth proportional to 203.04, 303.30 and 166.50 is: 248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.04 : 303.30 = 166.50 : x
  2. Step 2: Convert to fraction form
    203.04/303.30 = 166.50/x
  3. Step 3: Cross multiply
    203.04x = 303.30 × 166.50
  4. Step 4: Simplify right side
    203.04x = 50,499.45
  5. Step 5: Solve for x
    x = 50,499.45/203.04
  6. Step 6: Final answer
    x = 248.72

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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.