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Finding the Fourth Proportional to 563.33, 845.16 and 289.61

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Solution

The fourth proportional to 563.33, 845.16 and 289.61 is: 434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.33 : 845.16 = 289.61 : x
  2. Step 2: Convert to fraction form
    563.33/845.16 = 289.61/x
  3. Step 3: Cross multiply
    563.33x = 845.16 × 289.61
  4. Step 4: Simplify right side
    563.33x = 244,762.56
  5. Step 5: Solve for x
    x = 244,762.56/563.33
  6. Step 6: Final answer
    x = 434.50

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.