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Finding the Fourth Proportional to 493.85, 741.33 and 392.37

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Solution

The fourth proportional to 493.85, 741.33 and 392.37 is: 589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.85 : 741.33 = 392.37 : x
  2. Step 2: Convert to fraction form
    493.85/741.33 = 392.37/x
  3. Step 3: Cross multiply
    493.85x = 741.33 × 392.37
  4. Step 4: Simplify right side
    493.85x = 290,875.65
  5. Step 5: Solve for x
    x = 290,875.65/493.85
  6. Step 6: Final answer
    x = 589.00

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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.