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Finding the Fourth Proportional to 351.07, 524.39 and 341.35

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Solution

The fourth proportional to 351.07, 524.39 and 341.35 is: 509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.07 : 524.39 = 341.35 : x
  2. Step 2: Convert to fraction form
    351.07/524.39 = 341.35/x
  3. Step 3: Cross multiply
    351.07x = 524.39 × 341.35
  4. Step 4: Simplify right side
    351.07x = 179,000.53
  5. Step 5: Solve for x
    x = 179,000.53/351.07
  6. Step 6: Final answer
    x = 509.87

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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.