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Finding the Fourth Proportional to 595.79, 891.88 and 540.95

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Solution

The fourth proportional to 595.79, 891.88 and 540.95 is: 809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.79 : 891.88 = 540.95 : x
  2. Step 2: Convert to fraction form
    595.79/891.88 = 540.95/x
  3. Step 3: Cross multiply
    595.79x = 891.88 × 540.95
  4. Step 4: Simplify right side
    595.79x = 482,457.69
  5. Step 5: Solve for x
    x = 482,457.69/595.79
  6. Step 6: Final answer
    x = 809.78

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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.