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Finding the Fourth Proportional to 351.17, 526.57 and 227.76

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Solution

The fourth proportional to 351.17, 526.57 and 227.76 is: 341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.17 : 526.57 = 227.76 : x
  2. Step 2: Convert to fraction form
    351.17/526.57 = 227.76/x
  3. Step 3: Cross multiply
    351.17x = 526.57 × 227.76
  4. Step 4: Simplify right side
    351.17x = 119,931.01
  5. Step 5: Solve for x
    x = 119,931.01/351.17
  6. Step 6: Final answer
    x = 341.52

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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.