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Finding the Fourth Proportional to 540.89, 811.51 and 175.59

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Solution

The fourth proportional to 540.89, 811.51 and 175.59 is: 263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.89 : 811.51 = 175.59 : x
  2. Step 2: Convert to fraction form
    540.89/811.51 = 175.59/x
  3. Step 3: Cross multiply
    540.89x = 811.51 × 175.59
  4. Step 4: Simplify right side
    540.89x = 142,493.04
  5. Step 5: Solve for x
    x = 142,493.04/540.89
  6. Step 6: Final answer
    x = 263.44

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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.