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Finding the Fourth Proportional to 563.64, 847.08 and 525.12

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Solution

The fourth proportional to 563.64, 847.08 and 525.12 is: 789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.64 : 847.08 = 525.12 : x
  2. Step 2: Convert to fraction form
    563.64/847.08 = 525.12/x
  3. Step 3: Cross multiply
    563.64x = 847.08 × 525.12
  4. Step 4: Simplify right side
    563.64x = 444,818.65
  5. Step 5: Solve for x
    x = 444,818.65/563.64
  6. Step 6: Final answer
    x = 789.19

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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.