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Finding the Fourth Proportional to 543.34, 747.93 and 481.07

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Solution

The fourth proportional to 543.34, 747.93 and 481.07 is: 662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    543.34 : 747.93 = 481.07 : x
  2. Step 2: Convert to fraction form
    543.34/747.93 = 481.07/x
  3. Step 3: Cross multiply
    543.34x = 747.93 × 481.07
  4. Step 4: Simplify right side
    543.34x = 359,810.36
  5. Step 5: Solve for x
    x = 359,810.36/543.34
  6. Step 6: Final answer
    x = 662.22

Related Problems

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Double scale
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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.