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Finding the Fourth Proportional to 483.48, 666.75 and 363.36

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Solution

The fourth proportional to 483.48, 666.75 and 363.36 is: 501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.48 : 666.75 = 363.36 : x
  2. Step 2: Convert to fraction form
    483.48/666.75 = 363.36/x
  3. Step 3: Cross multiply
    483.48x = 666.75 × 363.36
  4. Step 4: Simplify right side
    483.48x = 242,270.28
  5. Step 5: Solve for x
    x = 242,270.28/483.48
  6. Step 6: Final answer
    x = 501.10

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Find fourth proportional to 241.74, 333.38 and 181.68
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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.