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Finding the Fourth Proportional to 493.03, 740.08 and 491.19

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Solution

The fourth proportional to 493.03, 740.08 and 491.19 is: 737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.03 : 740.08 = 491.19 : x
  2. Step 2: Convert to fraction form
    493.03/740.08 = 491.19/x
  3. Step 3: Cross multiply
    493.03x = 740.08 × 491.19
  4. Step 4: Simplify right side
    493.03x = 363,524.20
  5. Step 5: Solve for x
    x = 363,524.20/493.03
  6. Step 6: Final answer
    x = 737.33

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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.