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Finding the Fourth Proportional to 841.54, 1,261.93 and 466.05

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Solution

The fourth proportional to 841.54, 1,261.93 and 466.05 is: 698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.54 : 1,261.93 = 466.05 : x
  2. Step 2: Convert to fraction form
    841.54/1,261.93 = 466.05/x
  3. Step 3: Cross multiply
    841.54x = 1,261.93 × 466.05
  4. Step 4: Simplify right side
    841.54x = 588,122.48
  5. Step 5: Solve for x
    x = 588,122.48/841.54
  6. Step 6: Final answer
    x = 698.86

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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.