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Finding the Fourth Proportional to 343.47, 512.53 and 335.24

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Solution

The fourth proportional to 343.47, 512.53 and 335.24 is: 500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.47 : 512.53 = 335.24 : x
  2. Step 2: Convert to fraction form
    343.47/512.53 = 335.24/x
  3. Step 3: Cross multiply
    343.47x = 512.53 × 335.24
  4. Step 4: Simplify right side
    343.47x = 171,817.99
  5. Step 5: Solve for x
    x = 171,817.99/343.47
  6. Step 6: Final answer
    x = 500.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.