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Finding the Fourth Proportional to 671.84, 926.68 and 547.50

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Solution

The fourth proportional to 671.84, 926.68 and 547.50 is: 755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.84 : 926.68 = 547.50 : x
  2. Step 2: Convert to fraction form
    671.84/926.68 = 547.50/x
  3. Step 3: Cross multiply
    671.84x = 926.68 × 547.50
  4. Step 4: Simplify right side
    671.84x = 507,359.62
  5. Step 5: Solve for x
    x = 507,359.62/671.84
  6. Step 6: Final answer
    x = 755.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.