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Finding the Fourth Proportional to 635.01, 952.52 and 172.77

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Solution

The fourth proportional to 635.01, 952.52 and 172.77 is: 259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.01 : 952.52 = 172.77 : x
  2. Step 2: Convert to fraction form
    635.01/952.52 = 172.77/x
  3. Step 3: Cross multiply
    635.01x = 952.52 × 172.77
  4. Step 4: Simplify right side
    635.01x = 164,566.02
  5. Step 5: Solve for x
    x = 164,566.02/635.01
  6. Step 6: Final answer
    x = 259.16

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.