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Finding the Fourth Proportional to 493.22, 740.66 and 473.60

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Solution

The fourth proportional to 493.22, 740.66 and 473.60 is: 711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.22 : 740.66 = 473.60 : x
  2. Step 2: Convert to fraction form
    493.22/740.66 = 473.60/x
  3. Step 3: Cross multiply
    493.22x = 740.66 × 473.60
  4. Step 4: Simplify right side
    493.22x = 350,770.50
  5. Step 5: Solve for x
    x = 350,770.50/493.22
  6. Step 6: Final answer
    x = 711.19

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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.