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Finding the Fourth Proportional to 500.97, 751.22 and 154.35

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Solution

The fourth proportional to 500.97, 751.22 and 154.35 is: 231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.97 : 751.22 = 154.35 : x
  2. Step 2: Convert to fraction form
    500.97/751.22 = 154.35/x
  3. Step 3: Cross multiply
    500.97x = 751.22 × 154.35
  4. Step 4: Simplify right side
    500.97x = 115,950.04
  5. Step 5: Solve for x
    x = 115,950.04/500.97
  6. Step 6: Final answer
    x = 231.45

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Double scale
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Similar ratio
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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.