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Finding the Fourth Proportional to 334.87, 502.44 and 142.63

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Solution

The fourth proportional to 334.87, 502.44 and 142.63 is: 214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.87 : 502.44 = 142.63 : x
  2. Step 2: Convert to fraction form
    334.87/502.44 = 142.63/x
  3. Step 3: Cross multiply
    334.87x = 502.44 × 142.63
  4. Step 4: Simplify right side
    334.87x = 71,663.02
  5. Step 5: Solve for x
    x = 71,663.02/334.87
  6. Step 6: Final answer
    x = 214.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.