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Finding the Fourth Proportional to 230.63, 317.90 and 183.92

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Solution

The fourth proportional to 230.63, 317.90 and 183.92 is: 253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.63 : 317.90 = 183.92 : x
  2. Step 2: Convert to fraction form
    230.63/317.90 = 183.92/x
  3. Step 3: Cross multiply
    230.63x = 317.90 × 183.92
  4. Step 4: Simplify right side
    230.63x = 58,466.91
  5. Step 5: Solve for x
    x = 58,466.91/230.63
  6. Step 6: Final answer
    x = 253.51

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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.