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Finding the Fourth Proportional to 544.46, 816.78 and 236.25

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Solution

The fourth proportional to 544.46, 816.78 and 236.25 is: 354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.46 : 816.78 = 236.25 : x
  2. Step 2: Convert to fraction form
    544.46/816.78 = 236.25/x
  3. Step 3: Cross multiply
    544.46x = 816.78 × 236.25
  4. Step 4: Simplify right side
    544.46x = 192,964.28
  5. Step 5: Solve for x
    x = 192,964.28/544.46
  6. Step 6: Final answer
    x = 354.42

Related Problems

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Half scale
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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.