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Finding the Fourth Proportional to 802.93, 1,108.05 and 471.29

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Solution

The fourth proportional to 802.93, 1,108.05 and 471.29 is: 650.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.93 : 1,108.05 = 471.29 : x
  2. Step 2: Convert to fraction form
    802.93/1,108.05 = 471.29/x
  3. Step 3: Cross multiply
    802.93x = 1,108.05 × 471.29
  4. Step 4: Simplify right side
    802.93x = 522,212.88
  5. Step 5: Solve for x
    x = 522,212.88/802.93
  6. Step 6: Final answer
    x = 650.38

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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.