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Finding the Fourth Proportional to 601.17, 828.68 and 550.95

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Solution

The fourth proportional to 601.17, 828.68 and 550.95 is: 759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.17 : 828.68 = 550.95 : x
  2. Step 2: Convert to fraction form
    601.17/828.68 = 550.95/x
  3. Step 3: Cross multiply
    601.17x = 828.68 × 550.95
  4. Step 4: Simplify right side
    601.17x = 456,558.49
  5. Step 5: Solve for x
    x = 456,558.49/601.17
  6. Step 6: Final answer
    x = 759.45

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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.