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Finding the Fourth Proportional to 341.15, 508.28 and 336.39

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Solution

The fourth proportional to 341.15, 508.28 and 336.39 is: 501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.15 : 508.28 = 336.39 : x
  2. Step 2: Convert to fraction form
    341.15/508.28 = 336.39/x
  3. Step 3: Cross multiply
    341.15x = 508.28 × 336.39
  4. Step 4: Simplify right side
    341.15x = 170,978.63
  5. Step 5: Solve for x
    x = 170,978.63/341.15
  6. Step 6: Final answer
    x = 501.18

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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.