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Finding the Fourth Proportional to 805.02, 1,110.90 and 473.37

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Solution

The fourth proportional to 805.02, 1,110.90 and 473.37 is: 653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    805.02 : 1,110.90 = 473.37 : x
  2. Step 2: Convert to fraction form
    805.02/1,110.90 = 473.37/x
  3. Step 3: Cross multiply
    805.02x = 1,110.90 × 473.37
  4. Step 4: Simplify right side
    805.02x = 525,866.73
  5. Step 5: Solve for x
    x = 525,866.73/805.02
  6. Step 6: Final answer
    x = 653.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.