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Finding the Fourth Proportional to 395.32, 592.17 and 347.53

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Solution

The fourth proportional to 395.32, 592.17 and 347.53 is: 520.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.32 : 592.17 = 347.53 : x
  2. Step 2: Convert to fraction form
    395.32/592.17 = 347.53/x
  3. Step 3: Cross multiply
    395.32x = 592.17 × 347.53
  4. Step 4: Simplify right side
    395.32x = 205,796.84
  5. Step 5: Solve for x
    x = 205,796.84/395.32
  6. Step 6: Final answer
    x = 520.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.