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Finding the Fourth Proportional to 573.08, 855.80 and 563.36

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Solution

The fourth proportional to 573.08, 855.80 and 563.36 is: 841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.08 : 855.80 = 563.36 : x
  2. Step 2: Convert to fraction form
    573.08/855.80 = 563.36/x
  3. Step 3: Cross multiply
    573.08x = 855.80 × 563.36
  4. Step 4: Simplify right side
    573.08x = 482,118.50
  5. Step 5: Solve for x
    x = 482,118.50/573.08
  6. Step 6: Final answer
    x = 841.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.