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Finding the Fourth Proportional to 845.84, 1,167.31 and 472.83

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Solution

The fourth proportional to 845.84, 1,167.31 and 472.83 is: 652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.84 : 1,167.31 = 472.83 : x
  2. Step 2: Convert to fraction form
    845.84/1,167.31 = 472.83/x
  3. Step 3: Cross multiply
    845.84x = 1,167.31 × 472.83
  4. Step 4: Simplify right side
    845.84x = 551,938.01
  5. Step 5: Solve for x
    x = 551,938.01/845.84
  6. Step 6: Final answer
    x = 652.53

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Double scale
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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.