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Finding the Fourth Proportional to 610.12, 841.62 and 547.48

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Solution

The fourth proportional to 610.12, 841.62 and 547.48 is: 755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.12 : 841.62 = 547.48 : x
  2. Step 2: Convert to fraction form
    610.12/841.62 = 547.48/x
  3. Step 3: Cross multiply
    610.12x = 841.62 × 547.48
  4. Step 4: Simplify right side
    610.12x = 460,770.12
  5. Step 5: Solve for x
    x = 460,770.12/610.12
  6. Step 6: Final answer
    x = 755.21

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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.