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Finding the Fourth Proportional to 352.68, 486.50 and 247.93

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Solution

The fourth proportional to 352.68, 486.50 and 247.93 is: 342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.68 : 486.50 = 247.93 : x
  2. Step 2: Convert to fraction form
    352.68/486.50 = 247.93/x
  3. Step 3: Cross multiply
    352.68x = 486.50 × 247.93
  4. Step 4: Simplify right side
    352.68x = 120,617.95
  5. Step 5: Solve for x
    x = 120,617.95/352.68
  6. Step 6: Final answer
    x = 342.00

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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.