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Finding the Fourth Proportional to 563.63, 845.15 and 217.08

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Solution

The fourth proportional to 563.63, 845.15 and 217.08 is: 325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.63 : 845.15 = 217.08 : x
  2. Step 2: Convert to fraction form
    563.63/845.15 = 217.08/x
  3. Step 3: Cross multiply
    563.63x = 845.15 × 217.08
  4. Step 4: Simplify right side
    563.63x = 183,464.08
  5. Step 5: Solve for x
    x = 183,464.08/563.63
  6. Step 6: Final answer
    x = 325.51

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.