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Finding the Fourth Proportional to 376.36, 562.46 and 347.17

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Solution

The fourth proportional to 376.36, 562.46 and 347.17 is: 518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.36 : 562.46 = 347.17 : x
  2. Step 2: Convert to fraction form
    376.36/562.46 = 347.17/x
  3. Step 3: Cross multiply
    376.36x = 562.46 × 347.17
  4. Step 4: Simplify right side
    376.36x = 195,269.24
  5. Step 5: Solve for x
    x = 195,269.24/376.36
  6. Step 6: Final answer
    x = 518.84

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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.