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Finding the Fourth Proportional to 333.64, 502.51 and 282.64

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Solution

The fourth proportional to 333.64, 502.51 and 282.64 is: 425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.64 : 502.51 = 282.64 : x
  2. Step 2: Convert to fraction form
    333.64/502.51 = 282.64/x
  3. Step 3: Cross multiply
    333.64x = 502.51 × 282.64
  4. Step 4: Simplify right side
    333.64x = 142,029.43
  5. Step 5: Solve for x
    x = 142,029.43/333.64
  6. Step 6: Final answer
    x = 425.70

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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.