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Finding the Fourth Proportional to 477.98, 715.58 and 294.82

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Solution

The fourth proportional to 477.98, 715.58 and 294.82 is: 441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.98 : 715.58 = 294.82 : x
  2. Step 2: Convert to fraction form
    477.98/715.58 = 294.82/x
  3. Step 3: Cross multiply
    477.98x = 715.58 × 294.82
  4. Step 4: Simplify right side
    477.98x = 210,965.14
  5. Step 5: Solve for x
    x = 210,965.14/477.98
  6. Step 6: Final answer
    x = 441.37

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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.