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Finding the Fourth Proportional to 301.96, 416.73 and 185.50

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Solution

The fourth proportional to 301.96, 416.73 and 185.50 is: 256.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.96 : 416.73 = 185.50 : x
  2. Step 2: Convert to fraction form
    301.96/416.73 = 185.50/x
  3. Step 3: Cross multiply
    301.96x = 416.73 × 185.50
  4. Step 4: Simplify right side
    301.96x = 77,303.42
  5. Step 5: Solve for x
    x = 77,303.42/301.96
  6. Step 6: Final answer
    x = 256.01

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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.