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Finding the Fourth Proportional to 510.54, 765.60 and 236.43

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Solution

The fourth proportional to 510.54, 765.60 and 236.43 is: 354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.54 : 765.60 = 236.43 : x
  2. Step 2: Convert to fraction form
    510.54/765.60 = 236.43/x
  3. Step 3: Cross multiply
    510.54x = 765.60 × 236.43
  4. Step 4: Simplify right side
    510.54x = 181,010.81
  5. Step 5: Solve for x
    x = 181,010.81/510.54
  6. Step 6: Final answer
    x = 354.55

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.