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Finding the Fourth Proportional to 505.04, 757.26 and 158.27

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Solution

The fourth proportional to 505.04, 757.26 and 158.27 is: 237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    505.04 : 757.26 = 158.27 : x
  2. Step 2: Convert to fraction form
    505.04/757.26 = 158.27/x
  3. Step 3: Cross multiply
    505.04x = 757.26 × 158.27
  4. Step 4: Simplify right side
    505.04x = 119,847.75
  5. Step 5: Solve for x
    x = 119,847.75/505.04
  6. Step 6: Final answer
    x = 237.31

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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.