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Finding the Fourth Proportional to 773.34, 1,159.98 and 334.44

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Solution

The fourth proportional to 773.34, 1,159.98 and 334.44 is: 501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.34 : 1,159.98 = 334.44 : x
  2. Step 2: Convert to fraction form
    773.34/1,159.98 = 334.44/x
  3. Step 3: Cross multiply
    773.34x = 1,159.98 × 334.44
  4. Step 4: Simplify right side
    773.34x = 387,943.71
  5. Step 5: Solve for x
    x = 387,943.71/773.34
  6. Step 6: Final answer
    x = 501.65

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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.