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Finding the Fourth Proportional to 610.10, 842.05 and 462.48

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Solution

The fourth proportional to 610.10, 842.05 and 462.48 is: 638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.10 : 842.05 = 462.48 : x
  2. Step 2: Convert to fraction form
    610.10/842.05 = 462.48/x
  3. Step 3: Cross multiply
    610.10x = 842.05 × 462.48
  4. Step 4: Simplify right side
    610.10x = 389,431.28
  5. Step 5: Solve for x
    x = 389,431.28/610.10
  6. Step 6: Final answer
    x = 638.31

Related Problems

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Similar ratio
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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.