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Finding the Fourth Proportional to 351.34, 525.17 and 247.93

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Solution

The fourth proportional to 351.34, 525.17 and 247.93 is: 370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.34 : 525.17 = 247.93 : x
  2. Step 2: Convert to fraction form
    351.34/525.17 = 247.93/x
  3. Step 3: Cross multiply
    351.34x = 525.17 × 247.93
  4. Step 4: Simplify right side
    351.34x = 130,205.40
  5. Step 5: Solve for x
    x = 130,205.40/351.34
  6. Step 6: Final answer
    x = 370.60

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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.