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Finding the Fourth Proportional to 340.51, 513.96 and 340.51

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Solution

The fourth proportional to 340.51, 513.96 and 340.51 is: 513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.51 : 513.96 = 340.51 : x
  2. Step 2: Convert to fraction form
    340.51/513.96 = 340.51/x
  3. Step 3: Cross multiply
    340.51x = 513.96 × 340.51
  4. Step 4: Simplify right side
    340.51x = 175,008.51
  5. Step 5: Solve for x
    x = 175,008.51/340.51
  6. Step 6: Final answer
    x = 513.96

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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.