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Finding the Fourth Proportional to 364.50, 502.76 and 233.45

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Solution

The fourth proportional to 364.50, 502.76 and 233.45 is: 321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.50 : 502.76 = 233.45 : x
  2. Step 2: Convert to fraction form
    364.50/502.76 = 233.45/x
  3. Step 3: Cross multiply
    364.50x = 502.76 × 233.45
  4. Step 4: Simplify right side
    364.50x = 117,365.64
  5. Step 5: Solve for x
    x = 117,365.64/364.50
  6. Step 6: Final answer
    x = 321.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.