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Finding the Fourth Proportional to 563.64, 845.46 and 239.01

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Solution

The fourth proportional to 563.64, 845.46 and 239.01 is: 358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.64 : 845.46 = 239.01 : x
  2. Step 2: Convert to fraction form
    563.64/845.46 = 239.01/x
  3. Step 3: Cross multiply
    563.64x = 845.46 × 239.01
  4. Step 4: Simplify right side
    563.64x = 202,073.39
  5. Step 5: Solve for x
    x = 202,073.39/563.64
  6. Step 6: Final answer
    x = 358.52

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.