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Finding the Fourth Proportional to 253.87, 349.93 and 183.93

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Solution

The fourth proportional to 253.87, 349.93 and 183.93 is: 253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.87 : 349.93 = 183.93 : x
  2. Step 2: Convert to fraction form
    253.87/349.93 = 183.93/x
  3. Step 3: Cross multiply
    253.87x = 349.93 × 183.93
  4. Step 4: Simplify right side
    253.87x = 64,362.62
  5. Step 5: Solve for x
    x = 64,362.62/253.87
  6. Step 6: Final answer
    x = 253.53

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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.