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Finding the Fourth Proportional to 535.46, 739.31 and 336.38

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Solution

The fourth proportional to 535.46, 739.31 and 336.38 is: 464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.46 : 739.31 = 336.38 : x
  2. Step 2: Convert to fraction form
    535.46/739.31 = 336.38/x
  3. Step 3: Cross multiply
    535.46x = 739.31 × 336.38
  4. Step 4: Simplify right side
    535.46x = 248,689.26
  5. Step 5: Solve for x
    x = 248,689.26/535.46
  6. Step 6: Final answer
    x = 464.44

Related Problems

Find fourth proportional to 267.73, 369.65 and 168.19
Half scale
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Double scale
Find fourth proportional to 536.46, 740.69 and 337.38
Similar ratio
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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.