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Finding the Fourth Proportional to 351.17, 527.03 and 282.86

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Solution

The fourth proportional to 351.17, 527.03 and 282.86 is: 424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.17 : 527.03 = 282.86 : x
  2. Step 2: Convert to fraction form
    351.17/527.03 = 282.86/x
  3. Step 3: Cross multiply
    351.17x = 527.03 × 282.86
  4. Step 4: Simplify right side
    351.17x = 149,075.71
  5. Step 5: Solve for x
    x = 149,075.71/351.17
  6. Step 6: Final answer
    x = 424.51

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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.