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Finding the Fourth Proportional to 535.01, 738.18 and 325.13

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Solution

The fourth proportional to 535.01, 738.18 and 325.13 is: 448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.01 : 738.18 = 325.13 : x
  2. Step 2: Convert to fraction form
    535.01/738.18 = 325.13/x
  3. Step 3: Cross multiply
    535.01x = 738.18 × 325.13
  4. Step 4: Simplify right side
    535.01x = 240,000.77
  5. Step 5: Solve for x
    x = 240,000.77/535.01
  6. Step 6: Final answer
    x = 448.60

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Double scale
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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.