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Finding the Fourth Proportional to 610.30, 841.89 and 462.69

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Solution

The fourth proportional to 610.30, 841.89 and 462.69 is: 638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.30 : 841.89 = 462.69 : x
  2. Step 2: Convert to fraction form
    610.30/841.89 = 462.69/x
  3. Step 3: Cross multiply
    610.30x = 841.89 × 462.69
  4. Step 4: Simplify right side
    610.30x = 389,534.08
  5. Step 5: Solve for x
    x = 389,534.08/610.30
  6. Step 6: Final answer
    x = 638.27

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Double scale
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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.