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Finding the Fourth Proportional to 550.00, 758.84 and 340.18

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Solution

The fourth proportional to 550.00, 758.84 and 340.18 is: 469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.00 : 758.84 = 340.18 : x
  2. Step 2: Convert to fraction form
    550.00/758.84 = 340.18/x
  3. Step 3: Cross multiply
    550.00x = 758.84 × 340.18
  4. Step 4: Simplify right side
    550.00x = 258,144.13
  5. Step 5: Solve for x
    x = 258,144.13/550.00
  6. Step 6: Final answer
    x = 469.36

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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.