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Finding the Fourth Proportional to 364.28, 501.72 and 265.86

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Solution

The fourth proportional to 364.28, 501.72 and 265.86 is: 366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.28 : 501.72 = 265.86 : x
  2. Step 2: Convert to fraction form
    364.28/501.72 = 265.86/x
  3. Step 3: Cross multiply
    364.28x = 501.72 × 265.86
  4. Step 4: Simplify right side
    364.28x = 133,387.28
  5. Step 5: Solve for x
    x = 133,387.28/364.28
  6. Step 6: Final answer
    x = 366.17

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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.