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Finding the Fourth Proportional to 500.98, 751.52 and 154.32

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Solution

The fourth proportional to 500.98, 751.52 and 154.32 is: 231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.98 : 751.52 = 154.32 : x
  2. Step 2: Convert to fraction form
    500.98/751.52 = 154.32/x
  3. Step 3: Cross multiply
    500.98x = 751.52 × 154.32
  4. Step 4: Simplify right side
    500.98x = 115,974.57
  5. Step 5: Solve for x
    x = 115,974.57/500.98
  6. Step 6: Final answer
    x = 231.50

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Double scale
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Similar ratio
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1.5x scale

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.