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Finding the Fourth Proportional to 350.60, 522.57 and 347.53

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Solution

The fourth proportional to 350.60, 522.57 and 347.53 is: 517.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.60 : 522.57 = 347.53 : x
  2. Step 2: Convert to fraction form
    350.60/522.57 = 347.53/x
  3. Step 3: Cross multiply
    350.60x = 522.57 × 347.53
  4. Step 4: Simplify right side
    350.60x = 181,608.87
  5. Step 5: Solve for x
    x = 181,608.87/350.60
  6. Step 6: Final answer
    x = 517.99

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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.