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Finding the Fourth Proportional to 610.55, 841.85 and 444.84

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Solution

The fourth proportional to 610.55, 841.85 and 444.84 is: 613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.55 : 841.85 = 444.84 : x
  2. Step 2: Convert to fraction form
    610.55/841.85 = 444.84/x
  3. Step 3: Cross multiply
    610.55x = 841.85 × 444.84
  4. Step 4: Simplify right side
    610.55x = 374,482.12
  5. Step 5: Solve for x
    x = 374,482.12/610.55
  6. Step 6: Final answer
    x = 613.35

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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.