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Finding the Fourth Proportional to 611.01, 844.14 and 471.69

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Solution

The fourth proportional to 611.01, 844.14 and 471.69 is: 651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.01 : 844.14 = 471.69 : x
  2. Step 2: Convert to fraction form
    611.01/844.14 = 471.69/x
  3. Step 3: Cross multiply
    611.01x = 844.14 × 471.69
  4. Step 4: Simplify right side
    611.01x = 398,172.40
  5. Step 5: Solve for x
    x = 398,172.40/611.01
  6. Step 6: Final answer
    x = 651.66

Related Problems

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Half scale
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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.