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Finding the Fourth Proportional to 496.66, 740.12 and 479.23

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Solution

The fourth proportional to 496.66, 740.12 and 479.23 is: 714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.66 : 740.12 = 479.23 : x
  2. Step 2: Convert to fraction form
    496.66/740.12 = 479.23/x
  3. Step 3: Cross multiply
    496.66x = 740.12 × 479.23
  4. Step 4: Simplify right side
    496.66x = 354,687.71
  5. Step 5: Solve for x
    x = 354,687.71/496.66
  6. Step 6: Final answer
    x = 714.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.