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Finding the Fourth Proportional to 540.13, 811.65 and 293.52

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Solution

The fourth proportional to 540.13, 811.65 and 293.52 is: 441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.13 : 811.65 = 293.52 : x
  2. Step 2: Convert to fraction form
    540.13/811.65 = 293.52/x
  3. Step 3: Cross multiply
    540.13x = 811.65 × 293.52
  4. Step 4: Simplify right side
    540.13x = 238,230.35
  5. Step 5: Solve for x
    x = 238,230.35/540.13
  6. Step 6: Final answer
    x = 441.06

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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.