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Finding the Fourth Proportional to 570.63, 782.70 and 550.11

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Solution

The fourth proportional to 570.63, 782.70 and 550.11 is: 754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.63 : 782.70 = 550.11 : x
  2. Step 2: Convert to fraction form
    570.63/782.70 = 550.11/x
  3. Step 3: Cross multiply
    570.63x = 782.70 × 550.11
  4. Step 4: Simplify right side
    570.63x = 430,571.10
  5. Step 5: Solve for x
    x = 430,571.10/570.63
  6. Step 6: Final answer
    x = 754.55

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.