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Finding the Fourth Proportional to 476.44, 658.62 and 457.24

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Solution

The fourth proportional to 476.44, 658.62 and 457.24 is: 632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.44 : 658.62 = 457.24 : x
  2. Step 2: Convert to fraction form
    476.44/658.62 = 457.24/x
  3. Step 3: Cross multiply
    476.44x = 658.62 × 457.24
  4. Step 4: Simplify right side
    476.44x = 301,147.41
  5. Step 5: Solve for x
    x = 301,147.41/476.44
  6. Step 6: Final answer
    x = 632.08

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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.