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Finding the Fourth Proportional to 341.20, 507.94 and 339.18

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Solution

The fourth proportional to 341.20, 507.94 and 339.18 is: 504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.20 : 507.94 = 339.18 : x
  2. Step 2: Convert to fraction form
    341.20/507.94 = 339.18/x
  3. Step 3: Cross multiply
    341.20x = 507.94 × 339.18
  4. Step 4: Simplify right side
    341.20x = 172,280.55
  5. Step 5: Solve for x
    x = 172,280.55/341.20
  6. Step 6: Final answer
    x = 504.93

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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.