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Finding the Fourth Proportional to 393.19, 590.01 and 184.92

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Solution

The fourth proportional to 393.19, 590.01 and 184.92 is: 277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    393.19 : 590.01 = 184.92 : x
  2. Step 2: Convert to fraction form
    393.19/590.01 = 184.92/x
  3. Step 3: Cross multiply
    393.19x = 590.01 × 184.92
  4. Step 4: Simplify right side
    393.19x = 109,103.96
  5. Step 5: Solve for x
    x = 109,103.96/393.19
  6. Step 6: Final answer
    x = 277.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.