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Finding the Fourth Proportional to 346.50, 475.26 and 330.93

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Solution

The fourth proportional to 346.50, 475.26 and 330.93 is: 453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.50 : 475.26 = 330.93 : x
  2. Step 2: Convert to fraction form
    346.50/475.26 = 330.93/x
  3. Step 3: Cross multiply
    346.50x = 475.26 × 330.93
  4. Step 4: Simplify right side
    346.50x = 157,277.79
  5. Step 5: Solve for x
    x = 157,277.79/346.50
  6. Step 6: Final answer
    x = 453.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.