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Finding the Fourth Proportional to 613.32, 920.06 and 202.32

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Solution

The fourth proportional to 613.32, 920.06 and 202.32 is: 303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.32 : 920.06 = 202.32 : x
  2. Step 2: Convert to fraction form
    613.32/920.06 = 202.32/x
  3. Step 3: Cross multiply
    613.32x = 920.06 × 202.32
  4. Step 4: Simplify right side
    613.32x = 186,146.54
  5. Step 5: Solve for x
    x = 186,146.54/613.32
  6. Step 6: Final answer
    x = 303.51

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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.