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Finding the Fourth Proportional to 675.01, 1,012.96 and 366.96

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Solution

The fourth proportional to 675.01, 1,012.96 and 366.96 is: 550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.01 : 1,012.96 = 366.96 : x
  2. Step 2: Convert to fraction form
    675.01/1,012.96 = 366.96/x
  3. Step 3: Cross multiply
    675.01x = 1,012.96 × 366.96
  4. Step 4: Simplify right side
    675.01x = 371,710.74
  5. Step 5: Solve for x
    x = 371,710.74/675.01
  6. Step 6: Final answer
    x = 550.68

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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.