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Finding the Fourth Proportional to 671.93, 927.27 and 373.18

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Solution

The fourth proportional to 671.93, 927.27 and 373.18 is: 514.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.93 : 927.27 = 373.18 : x
  2. Step 2: Convert to fraction form
    671.93/927.27 = 373.18/x
  3. Step 3: Cross multiply
    671.93x = 927.27 × 373.18
  4. Step 4: Simplify right side
    671.93x = 346,038.62
  5. Step 5: Solve for x
    x = 346,038.62/671.93
  6. Step 6: Final answer
    x = 514.99

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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.