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Finding the Fourth Proportional to 610.05, 841.85 and 344.49

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Solution

The fourth proportional to 610.05, 841.85 and 344.49 is: 475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.05 : 841.85 = 344.49 : x
  2. Step 2: Convert to fraction form
    610.05/841.85 = 344.49/x
  3. Step 3: Cross multiply
    610.05x = 841.85 × 344.49
  4. Step 4: Simplify right side
    610.05x = 290,007.18
  5. Step 5: Solve for x
    x = 290,007.18/610.05
  6. Step 6: Final answer
    x = 475.38

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1.5x scale

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.