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Finding the Fourth Proportional to 531.33, 799.78 and 481.02

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Solution

The fourth proportional to 531.33, 799.78 and 481.02 is: 724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.33 : 799.78 = 481.02 : x
  2. Step 2: Convert to fraction form
    531.33/799.78 = 481.02/x
  3. Step 3: Cross multiply
    531.33x = 799.78 × 481.02
  4. Step 4: Simplify right side
    531.33x = 384,707.77
  5. Step 5: Solve for x
    x = 384,707.77/531.33
  6. Step 6: Final answer
    x = 724.05

Related Problems

Find fourth proportional to 265.67, 399.89 and 240.51
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Double scale
Find fourth proportional to 532.33, 801.28 and 482.02
Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.