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Finding the Fourth Proportional to 347.29, 520.16 and 193.05

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Solution

The fourth proportional to 347.29, 520.16 and 193.05 is: 289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.29 : 520.16 = 193.05 : x
  2. Step 2: Convert to fraction form
    347.29/520.16 = 193.05/x
  3. Step 3: Cross multiply
    347.29x = 520.16 × 193.05
  4. Step 4: Simplify right side
    347.29x = 100,415.92
  5. Step 5: Solve for x
    x = 100,415.92/347.29
  6. Step 6: Final answer
    x = 289.14

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