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Finding the Fourth Proportional to 540.77, 811.52 and 232.93

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Solution

The fourth proportional to 540.77, 811.52 and 232.93 is: 349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.77 : 811.52 = 232.93 : x
  2. Step 2: Convert to fraction form
    540.77/811.52 = 232.93/x
  3. Step 3: Cross multiply
    540.77x = 811.52 × 232.93
  4. Step 4: Simplify right side
    540.77x = 189,022.13
  5. Step 5: Solve for x
    x = 189,022.13/540.77
  6. Step 6: Final answer
    x = 349.54

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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.