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Finding the Fourth Proportional to 467.62, 646.14 and 370.15

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Solution

The fourth proportional to 467.62, 646.14 and 370.15 is: 511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.62 : 646.14 = 370.15 : x
  2. Step 2: Convert to fraction form
    467.62/646.14 = 370.15/x
  3. Step 3: Cross multiply
    467.62x = 646.14 × 370.15
  4. Step 4: Simplify right side
    467.62x = 239,168.72
  5. Step 5: Solve for x
    x = 239,168.72/467.62
  6. Step 6: Final answer
    x = 511.46

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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.