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Finding the Fourth Proportional to 440.45, 607.83 and 265.69

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Solution

The fourth proportional to 440.45, 607.83 and 265.69 is: 366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.45 : 607.83 = 265.69 : x
  2. Step 2: Convert to fraction form
    440.45/607.83 = 265.69/x
  3. Step 3: Cross multiply
    440.45x = 607.83 × 265.69
  4. Step 4: Simplify right side
    440.45x = 161,491.84
  5. Step 5: Solve for x
    x = 161,491.84/440.45
  6. Step 6: Final answer
    x = 366.66

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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.