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Finding the Fourth Proportional to 525.34, 724.17 and 350.38

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Solution

The fourth proportional to 525.34, 724.17 and 350.38 is: 482.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.34 : 724.17 = 350.38 : x
  2. Step 2: Convert to fraction form
    525.34/724.17 = 350.38/x
  3. Step 3: Cross multiply
    525.34x = 724.17 × 350.38
  4. Step 4: Simplify right side
    525.34x = 253,734.68
  5. Step 5: Solve for x
    x = 253,734.68/525.34
  6. Step 6: Final answer
    x = 482.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.