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Finding the Fourth Proportional to 341.50, 508.87 and 330.46

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Solution

The fourth proportional to 341.50, 508.87 and 330.46 is: 492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.50 : 508.87 = 330.46 : x
  2. Step 2: Convert to fraction form
    341.50/508.87 = 330.46/x
  3. Step 3: Cross multiply
    341.50x = 508.87 × 330.46
  4. Step 4: Simplify right side
    341.50x = 168,161.18
  5. Step 5: Solve for x
    x = 168,161.18/341.50
  6. Step 6: Final answer
    x = 492.42

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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.