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Finding the Fourth Proportional to 330.92, 456.64 and 183.52

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Solution

The fourth proportional to 330.92, 456.64 and 183.52 is: 253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.92 : 456.64 = 183.52 : x
  2. Step 2: Convert to fraction form
    330.92/456.64 = 183.52/x
  3. Step 3: Cross multiply
    330.92x = 456.64 × 183.52
  4. Step 4: Simplify right side
    330.92x = 83,802.57
  5. Step 5: Solve for x
    x = 83,802.57/330.92
  6. Step 6: Final answer
    x = 253.24

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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.