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Finding the Fourth Proportional to 364.38, 550.91 and 346.74

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Solution

The fourth proportional to 364.38, 550.91 and 346.74 is: 524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.38 : 550.91 = 346.74 : x
  2. Step 2: Convert to fraction form
    364.38/550.91 = 346.74/x
  3. Step 3: Cross multiply
    364.38x = 550.91 × 346.74
  4. Step 4: Simplify right side
    364.38x = 191,020.80
  5. Step 5: Solve for x
    x = 191,020.80/364.38
  6. Step 6: Final answer
    x = 524.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.