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Finding the Fourth Proportional to 563.72, 775.52 and 432.50

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Solution

The fourth proportional to 563.72, 775.52 and 432.50 is: 594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.72 : 775.52 = 432.50 : x
  2. Step 2: Convert to fraction form
    563.72/775.52 = 432.50/x
  3. Step 3: Cross multiply
    563.72x = 775.52 × 432.50
  4. Step 4: Simplify right side
    563.72x = 335,406.36
  5. Step 5: Solve for x
    x = 335,406.36/563.72
  6. Step 6: Final answer
    x = 594.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.