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Finding the Fourth Proportional to 495.91, 744.20 and 366.22

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Solution

The fourth proportional to 495.91, 744.20 and 366.22 is: 549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.91 : 744.20 = 366.22 : x
  2. Step 2: Convert to fraction form
    495.91/744.20 = 366.22/x
  3. Step 3: Cross multiply
    495.91x = 744.20 × 366.22
  4. Step 4: Simplify right side
    495.91x = 272,535.37
  5. Step 5: Solve for x
    x = 272,535.37/495.91
  6. Step 6: Final answer
    x = 549.57

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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.