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Finding the Fourth Proportional to 351.45, 526.53 and 302.94

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Solution

The fourth proportional to 351.45, 526.53 and 302.94 is: 453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.45 : 526.53 = 302.94 : x
  2. Step 2: Convert to fraction form
    351.45/526.53 = 302.94/x
  3. Step 3: Cross multiply
    351.45x = 526.53 × 302.94
  4. Step 4: Simplify right side
    351.45x = 159,507.00
  5. Step 5: Solve for x
    x = 159,507.00/351.45
  6. Step 6: Final answer
    x = 453.85

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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.