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Finding the Fourth Proportional to 541.61, 747.41 and 292.93

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Solution

The fourth proportional to 541.61, 747.41 and 292.93 is: 404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.61 : 747.41 = 292.93 : x
  2. Step 2: Convert to fraction form
    541.61/747.41 = 292.93/x
  3. Step 3: Cross multiply
    541.61x = 747.41 × 292.93
  4. Step 4: Simplify right side
    541.61x = 218,936.82
  5. Step 5: Solve for x
    x = 218,936.82/541.61
  6. Step 6: Final answer
    x = 404.24

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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.