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Finding the Fourth Proportional to 540.50, 811.02 and 232.26

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Solution

The fourth proportional to 540.50, 811.02 and 232.26 is: 348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.50 : 811.02 = 232.26 : x
  2. Step 2: Convert to fraction form
    540.50/811.02 = 232.26/x
  3. Step 3: Cross multiply
    540.50x = 811.02 × 232.26
  4. Step 4: Simplify right side
    540.50x = 188,367.51
  5. Step 5: Solve for x
    x = 188,367.51/540.50
  6. Step 6: Final answer
    x = 348.51

Related Problems

Find fourth proportional to 270.25, 405.51 and 116.13
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.