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Finding the Fourth Proportional to 362.32, 495.56 and 356.65

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Solution

The fourth proportional to 362.32, 495.56 and 356.65 is: 487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.32 : 495.56 = 356.65 : x
  2. Step 2: Convert to fraction form
    362.32/495.56 = 356.65/x
  3. Step 3: Cross multiply
    362.32x = 495.56 × 356.65
  4. Step 4: Simplify right side
    362.32x = 176,741.47
  5. Step 5: Solve for x
    x = 176,741.47/362.32
  6. Step 6: Final answer
    x = 487.80

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.