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Finding the Fourth Proportional to 477.35, 715.98 and 184.85

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Solution

The fourth proportional to 477.35, 715.98 and 184.85 is: 277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.35 : 715.98 = 184.85 : x
  2. Step 2: Convert to fraction form
    477.35/715.98 = 184.85/x
  3. Step 3: Cross multiply
    477.35x = 715.98 × 184.85
  4. Step 4: Simplify right side
    477.35x = 132,348.90
  5. Step 5: Solve for x
    x = 132,348.90/477.35
  6. Step 6: Final answer
    x = 277.26

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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.