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Finding the Fourth Proportional to 844.68, 1,165.50 and 495.24

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Solution

The fourth proportional to 844.68, 1,165.50 and 495.24 is: 683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.68 : 1,165.50 = 495.24 : x
  2. Step 2: Convert to fraction form
    844.68/1,165.50 = 495.24/x
  3. Step 3: Cross multiply
    844.68x = 1,165.50 × 495.24
  4. Step 4: Simplify right side
    844.68x = 577,202.22
  5. Step 5: Solve for x
    x = 577,202.22/844.68
  6. Step 6: Final answer
    x = 683.34

Related Problems

Find fourth proportional to 422.34, 582.75 and 247.62
Half scale
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Double scale
Find fourth proportional to 845.68, 1,166.88 and 496.24
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.