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Finding the Fourth Proportional to 637.14, 955.70 and 181.14

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Solution

The fourth proportional to 637.14, 955.70 and 181.14 is: 271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.14 : 955.70 = 181.14 : x
  2. Step 2: Convert to fraction form
    637.14/955.70 = 181.14/x
  3. Step 3: Cross multiply
    637.14x = 955.70 × 181.14
  4. Step 4: Simplify right side
    637.14x = 173,115.50
  5. Step 5: Solve for x
    x = 173,115.50/637.14
  6. Step 6: Final answer
    x = 271.71

Related Problems

Find fourth proportional to 318.57, 477.85 and 90.57
Half scale
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Double scale
Find fourth proportional to 638.14, 957.20 and 182.14
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.