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Finding the Fourth Proportional to 631.14, 946.70 and 175.14

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Solution

The fourth proportional to 631.14, 946.70 and 175.14 is: 262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.14 : 946.70 = 175.14 : x
  2. Step 2: Convert to fraction form
    631.14/946.70 = 175.14/x
  3. Step 3: Cross multiply
    631.14x = 946.70 × 175.14
  4. Step 4: Simplify right side
    631.14x = 165,805.04
  5. Step 5: Solve for x
    x = 165,805.04/631.14
  6. Step 6: Final answer
    x = 262.71

Related Problems

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Half scale
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Double scale
Find fourth proportional to 632.14, 948.20 and 176.14
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.