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Finding the Fourth Proportional to 841.03, 1,160.85 and 546.28

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Solution

The fourth proportional to 841.03, 1,160.85 and 546.28 is: 754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.03 : 1,160.85 = 546.28 : x
  2. Step 2: Convert to fraction form
    841.03/1,160.85 = 546.28/x
  3. Step 3: Cross multiply
    841.03x = 1,160.85 × 546.28
  4. Step 4: Simplify right side
    841.03x = 634,149.14
  5. Step 5: Solve for x
    x = 634,149.14/841.03
  6. Step 6: Final answer
    x = 754.01

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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.