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Finding the Fourth Proportional to 510.04, 765.11 and 163.36

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Solution

The fourth proportional to 510.04, 765.11 and 163.36 is: 245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.04 : 765.11 = 163.36 : x
  2. Step 2: Convert to fraction form
    510.04/765.11 = 163.36/x
  3. Step 3: Cross multiply
    510.04x = 765.11 × 163.36
  4. Step 4: Simplify right side
    510.04x = 124,988.37
  5. Step 5: Solve for x
    x = 124,988.37/510.04
  6. Step 6: Final answer
    x = 245.06

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Double scale
Find fourth proportional to 511.04, 766.61 and 164.36
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.