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Finding the Fourth Proportional to 563.49, 845.46 and 238.91

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Solution

The fourth proportional to 563.49, 845.46 and 238.91 is: 358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.49 : 845.46 = 238.91 : x
  2. Step 2: Convert to fraction form
    563.49/845.46 = 238.91/x
  3. Step 3: Cross multiply
    563.49x = 845.46 × 238.91
  4. Step 4: Simplify right side
    563.49x = 201,984.62
  5. Step 5: Solve for x
    x = 201,984.62/563.49
  6. Step 6: Final answer
    x = 358.45

Related Problems

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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.