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Finding the Fourth Proportional to 982.48, 1,473.77 and 366.16

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Solution

The fourth proportional to 982.48, 1,473.77 and 366.16 is: 549.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    982.48 : 1,473.77 = 366.16 : x
  2. Step 2: Convert to fraction form
    982.48/1,473.77 = 366.16/x
  3. Step 3: Cross multiply
    982.48x = 1,473.77 × 366.16
  4. Step 4: Simplify right side
    982.48x = 539,635.62
  5. Step 5: Solve for x
    x = 539,635.62/982.48
  6. Step 6: Final answer
    x = 549.26

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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.