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Finding the Fourth Proportional to 541.38, 748.08 and 436.26

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Solution

The fourth proportional to 541.38, 748.08 and 436.26 is: 602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.38 : 748.08 = 436.26 : x
  2. Step 2: Convert to fraction form
    541.38/748.08 = 436.26/x
  3. Step 3: Cross multiply
    541.38x = 748.08 × 436.26
  4. Step 4: Simplify right side
    541.38x = 326,357.38
  5. Step 5: Solve for x
    x = 326,357.38/541.38
  6. Step 6: Final answer
    x = 602.82

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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.