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Finding the Fourth Proportional to 341.22, 510.61 and 268.32

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Solution

The fourth proportional to 341.22, 510.61 and 268.32 is: 401.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.22 : 510.61 = 268.32 : x
  2. Step 2: Convert to fraction form
    341.22/510.61 = 268.32/x
  3. Step 3: Cross multiply
    341.22x = 510.61 × 268.32
  4. Step 4: Simplify right side
    341.22x = 137,006.88
  5. Step 5: Solve for x
    x = 137,006.88/341.22
  6. Step 6: Final answer
    x = 401.52

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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.