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Finding the Fourth Proportional to 651.39, 899.09 and 452.24

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Solution

The fourth proportional to 651.39, 899.09 and 452.24 is: 624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.39 : 899.09 = 452.24 : x
  2. Step 2: Convert to fraction form
    651.39/899.09 = 452.24/x
  3. Step 3: Cross multiply
    651.39x = 899.09 × 452.24
  4. Step 4: Simplify right side
    651.39x = 406,597.70
  5. Step 5: Solve for x
    x = 406,597.70/651.39
  6. Step 6: Final answer
    x = 624.20

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Double scale
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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.