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Finding the Fourth Proportional to 460.20, 634.14 and 437.88

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Solution

The fourth proportional to 460.20, 634.14 and 437.88 is: 603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.20 : 634.14 = 437.88 : x
  2. Step 2: Convert to fraction form
    460.20/634.14 = 437.88/x
  3. Step 3: Cross multiply
    460.20x = 634.14 × 437.88
  4. Step 4: Simplify right side
    460.20x = 277,677.22
  5. Step 5: Solve for x
    x = 277,677.22/460.20
  6. Step 6: Final answer
    x = 603.38

Related Problems

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Double scale
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Similar ratio
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1.5x scale

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.