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Finding the Fourth Proportional to 535.04, 738.42 and 338.75

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Solution

The fourth proportional to 535.04, 738.42 and 338.75 is: 467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.04 : 738.42 = 338.75 : x
  2. Step 2: Convert to fraction form
    535.04/738.42 = 338.75/x
  3. Step 3: Cross multiply
    535.04x = 738.42 × 338.75
  4. Step 4: Simplify right side
    535.04x = 250,139.78
  5. Step 5: Solve for x
    x = 250,139.78/535.04
  6. Step 6: Final answer
    x = 467.52

Related Problems

Find fourth proportional to 267.52, 369.21 and 169.38
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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.