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Finding the Fourth Proportional to 317.04, 477.36 and 226.32

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Solution

The fourth proportional to 317.04, 477.36 and 226.32 is: 340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.04 : 477.36 = 226.32 : x
  2. Step 2: Convert to fraction form
    317.04/477.36 = 226.32/x
  3. Step 3: Cross multiply
    317.04x = 477.36 × 226.32
  4. Step 4: Simplify right side
    317.04x = 108,036.12
  5. Step 5: Solve for x
    x = 108,036.12/317.04
  6. Step 6: Final answer
    x = 340.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.