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Finding the Fourth Proportional to 494.37, 740.93 and 372.29

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Solution

The fourth proportional to 494.37, 740.93 and 372.29 is: 557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.37 : 740.93 = 372.29 : x
  2. Step 2: Convert to fraction form
    494.37/740.93 = 372.29/x
  3. Step 3: Cross multiply
    494.37x = 740.93 × 372.29
  4. Step 4: Simplify right side
    494.37x = 275,835.26
  5. Step 5: Solve for x
    x = 275,835.26/494.37
  6. Step 6: Final answer
    x = 557.95

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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.