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Finding the Fourth Proportional to 332.16, 457.81 and 252.57

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Solution

The fourth proportional to 332.16, 457.81 and 252.57 is: 348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.16 : 457.81 = 252.57 : x
  2. Step 2: Convert to fraction form
    332.16/457.81 = 252.57/x
  3. Step 3: Cross multiply
    332.16x = 457.81 × 252.57
  4. Step 4: Simplify right side
    332.16x = 115,629.07
  5. Step 5: Solve for x
    x = 115,629.07/332.16
  6. Step 6: Final answer
    x = 348.11

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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.