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Finding the Fourth Proportional to 366.42, 505.43 and 235.52

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Solution

The fourth proportional to 366.42, 505.43 and 235.52 is: 324.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.42 : 505.43 = 235.52 : x
  2. Step 2: Convert to fraction form
    366.42/505.43 = 235.52/x
  3. Step 3: Cross multiply
    366.42x = 505.43 × 235.52
  4. Step 4: Simplify right side
    366.42x = 119,038.87
  5. Step 5: Solve for x
    x = 119,038.87/366.42
  6. Step 6: Final answer
    x = 324.87

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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.