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Finding the Fourth Proportional to 203.17, 303.47 and 174.37

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Solution

The fourth proportional to 203.17, 303.47 and 174.37 is: 260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.17 : 303.47 = 174.37 : x
  2. Step 2: Convert to fraction form
    203.17/303.47 = 174.37/x
  3. Step 3: Cross multiply
    203.17x = 303.47 × 174.37
  4. Step 4: Simplify right side
    203.17x = 52,913.67
  5. Step 5: Solve for x
    x = 52,913.67/203.17
  6. Step 6: Final answer
    x = 260.44

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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.