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Finding the Fourth Proportional to 482.77, 723.83 and 248.65

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Solution

The fourth proportional to 482.77, 723.83 and 248.65 is: 372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.77 : 723.83 = 248.65 : x
  2. Step 2: Convert to fraction form
    482.77/723.83 = 248.65/x
  3. Step 3: Cross multiply
    482.77x = 723.83 × 248.65
  4. Step 4: Simplify right side
    482.77x = 179,980.90
  5. Step 5: Solve for x
    x = 179,980.90/482.77
  6. Step 6: Final answer
    x = 372.81

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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.