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Finding the Fourth Proportional to 440.77, 659.17 and 336.69

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Solution

The fourth proportional to 440.77, 659.17 and 336.69 is: 503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.77 : 659.17 = 336.69 : x
  2. Step 2: Convert to fraction form
    440.77/659.17 = 336.69/x
  3. Step 3: Cross multiply
    440.77x = 659.17 × 336.69
  4. Step 4: Simplify right side
    440.77x = 221,933.90
  5. Step 5: Solve for x
    x = 221,933.90/440.77
  6. Step 6: Final answer
    x = 503.51

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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.