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Finding the Fourth Proportional to 495.84, 748.18 and 475.88

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Solution

The fourth proportional to 495.84, 748.18 and 475.88 is: 718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.84 : 748.18 = 475.88 : x
  2. Step 2: Convert to fraction form
    495.84/748.18 = 475.88/x
  3. Step 3: Cross multiply
    495.84x = 748.18 × 475.88
  4. Step 4: Simplify right side
    495.84x = 356,043.90
  5. Step 5: Solve for x
    x = 356,043.90/495.84
  6. Step 6: Final answer
    x = 718.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.