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Finding the Fourth Proportional to 510.49, 765.69 and 202.26

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Solution

The fourth proportional to 510.49, 765.69 and 202.26 is: 303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.49 : 765.69 = 202.26 : x
  2. Step 2: Convert to fraction form
    510.49/765.69 = 202.26/x
  3. Step 3: Cross multiply
    510.49x = 765.69 × 202.26
  4. Step 4: Simplify right side
    510.49x = 154,868.46
  5. Step 5: Solve for x
    x = 154,868.46/510.49
  6. Step 6: Final answer
    x = 303.37

Related Problems

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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.