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Finding the Fourth Proportional to 510.69, 766.08 and 236.97

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Solution

The fourth proportional to 510.69, 766.08 and 236.97 is: 355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.69 : 766.08 = 236.97 : x
  2. Step 2: Convert to fraction form
    510.69/766.08 = 236.97/x
  3. Step 3: Cross multiply
    510.69x = 766.08 × 236.97
  4. Step 4: Simplify right side
    510.69x = 181,537.98
  5. Step 5: Solve for x
    x = 181,537.98/510.69
  6. Step 6: Final answer
    x = 355.48

Related Problems

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.